Rangy files are now 1.2 and I've added 1.3 alpha versions to make
it easier to switch between while testing.
Change-Id: I2f5d86b14bd4f87719d01e3255c28f0ae8764f4f
This gets us some new functionality, mainly the ability to get a position
from a point on screen.
Changes:
* Updated core and position
* Removed unused modules
Change-Id: I2145fe549c975fdbbcd7dfcf144afb26509d0050