Fixed size related issues. Selection Manager no longer depends on the frameoverlay which is now only manipulated by the tools
Added fix for PreviewFilmController for very big piskels : limit DPI to 1
Fixed png preview orientation when saving
Dev environment:force indentation to 2 spaces. Added new grunt module, grunt-leading-indent to check space consistency, and modified jshint options to enforce 2 spaces
Merge pull request #120 from juliandescottes/add-grunt-leading-indent

Dev environment:force indentation to 2 spaces.
Merge from master + added more jshint checks (undef and latedef). Very helpful to catch post merge issues.
Merge pull request #118 from juliandescottes/fix-size-bugs

Fixed size related issues. Selection Manager no longer depends on the fr...
Merge from master + bugfixing on b64