fixes for android4

src/main/java/org/solovyev/android/calculator/CalculatorEditor.java

@@ -50,16 +50,19 @@ public class CalculatorEditor extends EditText implements SharedPreferences.OnSh
 
 	@Override
 	public boolean onCheckIsTextEditor() {
-		// fix for missing cursor in android
+		// Main goal of this implementation is to hide android soft keyboard from appearing when working with text input
+
+		// todo serso: refactor
+		// NOTE: do not copy or reuse code below, it's completely SHIT!!!
+
 		if ( Build.VERSION.SDK_INT >= 11 ) {
-			// cannot be applied as in that case soft keyboard appears on application start
+			// fix for missing cursor in android 3 and higher
 			for (StackTraceElement stackTraceElement : CollectionsUtils.asList(Thread.currentThread().getStackTrace())) {
 				if ( "isCursorVisible".equals(stackTraceElement.getMethodName()) ) {
 					return true;
 				}
 			}
 			return false;
-			//return true;
 		} else {
 			return false;
 		}

src/main/java/org/solovyev/android/calculator/about/CalculatorReleaseNotesActivity.java

@@ -64,7 +64,7 @@ public class CalculatorReleaseNotesActivity extends Activity {
 					first = false;
 				}
 				releaseNotesForVersion = releaseNotesForVersion.replace("\n", "<br/>");
-				result.append("<b>").append(releaseNotesForTitle).append(i).append("</b><br/>");
+				result.append("<b>").append(releaseNotesForTitle).append(i).append("</b><br/><br/>");
 				result.append(releaseNotesForVersion);
 			}
 		}