Doc: Edited list of examples in "Qt for Android Examples" page.

-more functional with regards to a developer progression.
-added link to "Creating a Mobile Application" page.

Change-Id: I8a1b5261df96459592ae253f6a19b57909c51173
Reviewed-by: Martin Smith <martin.smith@digia.com>
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>