added third_party/liquidfun to .gitignore

This is just for ub-games-master.

Change-Id: Ia7b7866f6ecc915cebe748eaa43ba9aabcd18889
Updated ref to liquidfun

Already checked this into ub-games-release

Change-Id: I933ab47bb651a60c4879bbfa0f6a380251cccba6
Added reference to VoltAir Discussion Group.

Change-Id: Ifc4bbf53ccd5e65cd5ef3163c00ce3fa2313dcfb
Merge "Added reference to VoltAir Discussion Group." into ub-games-master
Updated links on README.md

Change-Id: I51980174fc4c41ac51ea0c9a8c64440d427c2b58