Added 'MOAI_ROOT' variable.

All source files should be specified relative to this variable as opposed to having paths relative to the build scripts themselves.
Updated source paths to be relative to MOAI_ROOT variable
Changed relative source paths to be relative to MOAI_ROOT
Fixed OPENGL_LIBRARIES variable for Linux builds
Fixed typo in host-test cmake build script
Changed more relative source paths for cmake build scripts to be relative to MOAI_ROOT
Add flag to compile expat
Add flag to compile freetype
Allow building without Lua extensions without curl and crypto
Link OS X Frameworks with CMake in a way that also works in Xcode
Merge remote-tracking branch 'upstream/master' into development
Add MOAITimer:getSpeed()
Merge pull request #804 from theGoodEvil/timer-get-speed

Add MOAITimer:getSpeed()
Merge pull request #801 from theGoodEvil/improve-cmake

Fix CMake build on OS X
Fix shader reload after resuming the game
Merge pull request #807 from theGoodEvil/fix-shader-reload

Fix Shader Reload After Resuming the Game
copy build artifacts for cmake osx
Spine runtime module
Add support for skins
Add events support, fix spine-boy sample