Document strokeDashArray on fabric.Rect
Support stroke on image instances. Closes #536
Fix positioning of line and image instances when part of a group
[BACK_INCOMPAT] fabric.Text#strokeStyle -> stroke, for consistency with other objects. Closes #535
Preserve group reference on objects in group after adding/removing some object from group. Closes #533
Fix text unit test
Remove pathOffset from object/json output for now
req_handler -> reqHandler
Build distribution. Version 1.1.6