- 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>