diff --git a/.idea/modules.xml b/.idea/modules.xml
index 75115f27..d8bc2448 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -10,46 +10,25 @@
       <module fileurl="file://$PROJECT_DIR$/calculatorpp.iml" filepath="$PROJECT_DIR$/calculatorpp.iml" />
       <module fileurl="file://$PROJECT_DIR$/core.iml" filepath="$PROJECT_DIR$/core.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-com.actionbarsherlock_actionbarsherlock_4.2.0.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-com.actionbarsherlock_actionbarsherlock_4.2.0.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-com.actionbarsherlock_actionbarsherlock_4.2.0.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-com.actionbarsherlock_actionbarsherlock_4.2.0.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-com.actionbarsherlock_actionbarsherlock_4.4.0.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-com.actionbarsherlock_actionbarsherlock_4.4.0.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-com.actionbarsherlock_actionbarsherlock_4.4.0.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-com.actionbarsherlock_actionbarsherlock_4.4.0.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-ads_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-ads_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-ads_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-ads_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-all_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-all_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-all_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-all_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-app_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-app_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-app_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-app_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-billing_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-billing_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-billing_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-billing_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-core_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-core_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-core_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-core_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-db_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-db_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-db_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-db_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-fragments_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-fragments_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-fragments_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-fragments_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-http_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-http_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-http_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-http_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-keyboards_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-keyboards_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-keyboards_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-keyboards_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-lists_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-lists_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-lists_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-lists_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-menus_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-menus_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-menus_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-menus_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-networks_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-networks_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-networks_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-networks_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-other_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-other_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-other_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-other_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-preferences_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-preferences_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-preferences_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-preferences_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-security_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-security_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-security_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-security_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-sherlock_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-sherlock_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-sherlock_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-sherlock_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-tasks_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-tasks_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-tasks_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-tasks_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-views_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-views_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-views_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-views_1.1.15.iml" />
-      <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-wizard_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-wizard_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-wizard_1.1.15.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_android-common-wizard_1.1.15.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_calculatorpp-android-app-core_2.0.2.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_calculatorpp-android-app-core_2.0.2.iml" />
       <module fileurl="file://$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_calculatorpp-android-app-onscreen_2.0.2.iml" filepath="$PROJECT_DIR$/android-app/gen-external-apklibs/~apklib-org.solovyev.android_calculatorpp-android-app-onscreen_2.0.2.iml" />