Updated project files for xcode
Fixed xcode warnings for MacOSX
Merge pull request #1223 from seanpaultaylor/next

Updated project files for xcode
Fixed the terrain sample.
Merge branch 'next' of https://github.com/blackberry/GamePlay into next

Conflicts:
	samples/browser/src/TerrainSample.cpp
Merge pull request #1225 from seanpaultaylor/next

Next
Merge pull request #1226 from seanpaultaylor/next

Fixed xcode warnings for MacOSX
Fixed the specular lighting.
Merge pull request #1227 from seanpaultaylor/next

Fixed the specular lighting.