Lint issues fixed

android-app/src/main/res/layout/display_error_message.xml

@@ -26,15 +26,13 @@
 			a:layout_width="fill_parent"
 			a:layout_height="fill_parent">
 
-	<LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
-				  a:orientation="vertical"
-				  a:layout_width="fill_parent"
-				  a:layout_height="fill_parent"
+	<LinearLayout a:orientation="vertical"
+				  a:layout_width="match_parent"
+				  a:layout_height="wrap_content"
 				  a:scrollbars="vertical"
 				  a:scrollbarAlwaysDrawVerticalTrack="true">
 
-		<TextView xmlns:a="http://schemas.android.com/apk/res/android"
-				  a:id="@+id/error_message_text_view"
+		<TextView a:id="@+id/error_message_text_view"
 				  a:layout_height="fill_parent"
 				  a:layout_width="wrap_content"
 				  a:padding="6dp"

android-app/src/main/res/layout/drag_button_calibration.xml

@@ -78,6 +78,5 @@
 			a:text="@string/c_restart"
 			a:layout_width="wrap_content"
 			a:layout_height="wrap_content"
-			a:onClick="restartClickHandler"
 			a:layout_gravity="bottom"/>
 </LinearLayout>

android-app/src/main/res/layout/history_edit.xml

@@ -29,8 +29,8 @@
 	<LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
 				  a:id="@+id/history_edit"
 				  a:orientation="vertical"
-				  a:layout_width="fill_parent"
-				  a:layout_height="fill_parent"
+				  a:layout_width="match_parent"
+				  a:layout_height="wrap_content"
 				  a:scrollbars="vertical"
 				  a:scrollbarAlwaysDrawVerticalTrack="true">
 

android-app/src/main/res/layout/matrix_edit_fragment.xml

@@ -74,7 +74,7 @@
 					<org.solovyev.android.calculator.matrix.MatrixView
 							a:id="@+id/matrix_layout"
 							a:layout_height="match_parent"
-							a:layout_width="match_parent"
+							a:layout_width="wrap_content"
 							a:minWidth="300dp"/>
 
 				</HorizontalScrollView>