Implements Launch World via Url Screen
Cleans up project and adds further sample Worlds
adds README.txt in wikitudesdk.jar folder
Increases Version number and adds sample app license key
Merge pull request #2 from AndreasSchacherbauerWikitude/master

Updates Titanium module and project for iOS;
Moves iOS .framework into iOS module;

Signed-off-by: Andreas Schacherbauer <andreas.schacherbauer@wikitude.com>