Add Galaxy S4 LTE

Add support for Galaxy S4 LTE variants (except jflteatt & jfltevzw)
[153] Update to API level 21
Merge pull request #53 from AntaresOne/patch-1

Add Galaxy S4 LTE
[154] Fix installation activity state corruption due to screen rotation
[155] Set color and visibility for notifications on 5.0
Add support Galaxy Note II / N7100