Add I18NBundleLoader to GWT module def
AlphaTest is no longer GWT compatible
Update JBox2D

Many of these changes are reverting libgdx formatter modifications. It
will be far easier to assess changes when updating JBox2D if we do not run
our formatter and/or header fixer.
Added color markup.
Scroll bg is optional.

closes #1856
Merge branch 'origin/master'
fix arrow bug
Merge pull request #1857 from lordjone/arrow

fix createArrow bug, part 2
Added glyph count.
Merge pull request #1855 from davebaol/color

Added color markup.
getAngleRad -> angleRad to be consistent with other methods (eg rotate/rotateRad).
Added a separated Colors class.
Fixes #1859
Updated CHANGES
Merge pull request #1862 from davebaol/color2

Added a separated Colors class.
Updated CHANGES
Merge pull request #1863 from davebaol/CHANGES

Updated CHANGES
linker flags to windows, latest mingw requires libwinpthread
more linker flags, for freetype
fixed linker flags for bullet