Better inactive responsivity
Merge branch 'master' of https://github.com/ebatiano/Sitana
mac version
Editor + Framework refactoring
Windows refactor
Editor
Editor - Mac Os
Editor - tilesets
Tileset selection
Tileset view - selection.
Framework:
Added mouse wheel gesture, right button down and up gestures.
Added scrolling with mouse wheel.

Editor: Added wheel scrolling.
Mouse Wheel fixes
Merge pull request #25 from ebatiano/master

New stuff, mostly editor.