Replaced NSTimer with CADisplayLink.
Changed Tick() from public to internal.
Simplified math, added comment.
Merge branch 'develop' into ReplaceNSTimer
Merge pull request #1384 from SickheadGames/ReplaceNSTimer

Replaced NSTimer with CADisplayLink.
Adding vertexOffset support to DrawUserIndexedPrimitives in WinGL
Merge pull request #1409 from jaquadro/develop

Adding vertexOffset support to DrawUserIndexedPrimitives in WinGL
Merge branch 'develop' of http://github.com/mono/MonoGame into resume_manager
Updated ThirdParty/Libs submodule to match develop branch