Fix flip/rotation for cells when yUp = false

Also applied formatter, and moved the cell creation into its own method to
avoid duplication of the flip/rotate logic for each encoding.
Remove unused imports in GWT emulation
fixed ios jnigen template, requires ios sdk 6.1
fixed freetype and bullet jnigen ios build script
fixed issue 1416, doSleep is honored in box2d World constructor
fixed issue 1393, polygon region constructor taking region + vertices was calculating uvs incorrectly
fixed issue 1366, glCompressedTexImage2D implemented. will only work with desktop texture formats
'fixed' issue 1337 by adding javadoc :/
Audit and organize GWT module def.

Additional small changes for GWT compatibility.
#set(Circle) & #set(Ellipse)