tr()-fixes for 2.6.

- Fix typos and various capitalization errors.
- Fix wrong placeholders.
- Remove QCoreApplication::tr().
- Fix androidpackagecreationwidget.ui, remove translation
  from combo and clean up some HTML markup.

Change-Id: I51bcdad90c770c0f861a9d17e92b9c9222c6e8bf
Reviewed-by: Robert Löhning <robert.loehning@nokia.com>

src/plugins/android/androidqtversion.cpp

@@ -88,7 +88,8 @@ QList<ProjectExplorer::Abi> AndroidQtVersion::detectQtAbis() const
 
 QString AndroidQtVersion::description() const
 {
-    return tr("Android::Internal::AndroidQtVersion", "Qt Version is meant for Android");
+    //: Qt Version is meant for Android
+    return tr("Android");
 }
 
 Core::FeatureSet AndroidQtVersion::availableFeatures() const