Fixed luagen build on OS X
Merge pull request #1367 from rgngl/luagenOSXfix

Fixed luagen build on OS X
Fixed missing copying of res/ui for BlackBerry samples
Removed unused copying of resources for samples
Updated bar-descriptor template so that it copies over res/shaders and res/ui
Merge pull request #1371 from rcmaniac25/bb-file-copy

Fixed missing copying of res/ui for BlackBerry samples
Fix otherwise unset fragment alpha with VERTEX_COLOR defined.
Check built-in preprocessor macros to see if highp is available
Nullify second object in CollisionPair before notifying listeners after removal

By the time CollisionListener::collisionEvent is called, second object
in the CollisionPair is already deleted and points to an invalid memory
location.
Update gitignore for luagen xcode project
Merge pull request #1373 from rgngl/alphaFix

Fix otherwise unset fragment alpha with VERTEX_COLOR defined.
Added basic support for setting and referencing variables in properties files via the syntax ${variable}.
Added two new methods on the Properties class, getVariable and setVariable.
Merge pull request #1376 from rgngl/shaderPrecisionFix

Check built-in preprocessor macros to see if highp is available
Merge pull request #1377 from rgngl/physicsRemoveFix

Nullify second object in CollisionPair before notifying listeners after removal
Updated lua bindings to support new methods on Properties class.
Merge branch 'next' of https://github.com/blackberry/GamePlay into next
Merge pull request #1378 from sgrenier/next

Variables support for Properties files
Merge pull request #1379 from rgngl/luagenGitignore

Update gitignore for luagen xcode project
Updated the doxyfile for v2.0.0
Merge pull request #1380 from seanpaultaylor/next

Updated the doxyfile for v2.0.0
Added .gitatrributes
Normalize line endings