Use gradle 2.2.1
Issue #9: add a preference to set the color of the widget
Issue #9: Remove the different colored scroll resources.

Always generate the scroll image based on the faded white image
and the color preferences.
Issue #9: adjust colors
Issue #9: add the scroll resources in different densities
Issue #9: recreated scroll images
Issue #9: Improve the rendering of the minimalist widget
Issue #9: Imrove rendering by calculating a larger scale factor
Issue #9: Only include the boot receiver and the wear service in the wear flavor.
Issue #9: Renamed the custom color preference, sync this preference with the watch.
Issue #9: set default custom color to white
Issue #9: added some text padding on the scroll widgets
Issue #9: Minor cleanup of the color settings.
Issue #9: Preference activity modifications:

1) Add a toast telling the user to press back to save settings
2) Check if there are no widgets
Issue #9: Actually we don't need to press back.

Removed toast to warn user to press back to save
settings.  We can save the settings in onStop()
which will be called if they press home.
Issue #9: Cleanup after Android Studio code analysis.
Issue #9: More cleanup from lint
Issue #9: Add missing xml header to some files
Include annotations lib
Nah, don't wan't annotations after all