Introduce example usage of components on touch

The example shows a typical android application
developed using components and custom styling.

Some style fixes had to be added to support
custom fonts on Android.

Change-Id: Idb4417571ae2235fd06e41145883f38a2a56931d
Reviewed-by: Jens Bache-Wiig <jens.bache-wiig@digia.com>