Merge pull request #1 from SitanaTeam/master

merge changes to fork
New editor - UI based on Sitana.Framework.
GameEditor - mac os version
Editor and Framework improveents
windows version
Embeded resources in GameEditor for Windows.Xna
Icon in windows.xna GameEditor
Editor and framework improvements.
Including controls from another file.
Editor + Framework.Games for Mac.
editor
Cleanup!
Editor - fix in windows
Editor state saving.
Layer tabs
...
Merge pull request #21 from ebatiano/master

Editor