DubScript Goes Material Design!

b46: BIG update! Thanks to the New York Times for the very nice review! http://goo.gl/Z0uarA

Details "below the fold". Please post any issues you find in the comments!

* Material Design
* Auto-Save (in Settings)
* Ctrl-L -> lowercase (hard keyboard)
* ALT-1 -> flip between view & write screens (hard keyboard)
* Improved file picker
* Reorganized settings
* Better font rendering
* More font sizes
* Faster performance
* Battery performance improved
* UI optimizations
* Minor bugs fixed
* Many more improvements!

hi