Added platform specific DefineConstants for RELEASE configuration for MonoGame IOS
Added platform specific DefineConstants for RELEASE configuration for MonoGame Windows8Store
Fixed getWorldTransform.
Fixed defaultMix initialization.
Fixed #86.
Fixed NPE when slot has no attachment.
Merge pull request #83 from RandolphBurt/AddDefineConstantsToMonoGameReleaseBuild

Add DefineConstants to the MonoGame release build configurations
Fixed flipX bug.
Changed project files to work with Flash Builder 4.6.
Added AnimationState to spine-lua.