Fix unit tests
Add docs for ellipse rx/ry
Fix gradient initialization
Add support for clipping objects. Closes #64
Version 1.1.0
Remove no longer needed lib/fonts
Update dependencies
[BACK_INCOMPAT] fabric.Group#objects -> fabric.Group._objects (making it consistent with canvas._objects). Objects in group always have `group` reference to a group they're in. bringToFront, sendToBack, etc. now work in relation to group when called on objects within group.
Fix JSHint warnings
Version 1.1.1. Closes #447
Merge remote-tracking branch 'origins/master' into sketch