Updating to the latest versions of the tools supported by our upstream projects
Updating the Readme to reflect the new capabilities of our upstream projects
Merge branch 'travisFix'
Update targetSdkVersion to kitkat
Fixed Aerogear Crypto Java dependency scope
Add type on PropertyNotFoundException
Support push registration for multiple categories
Merge branch 'push_registration_multiple_categories' of https://github.com/danielpassos/aerogear-android