Update OOjs to v1.0.9

New changes:
9dbf1b8 EventEmitter: Improve test coverage for disconnect()
829e0c8 readme: Use HiDPI version of npm badge
7758735 Bump jscs to 0.4.1
39d37e0 Add OO#initClass method for initializing static in base classes
b5f4657 Tag v1.0.9

Change-Id: I151b752fd942a89fc7c66f1a71e073d09766d361
Separate out debug bar for use outside the demo

Also add a destroy event so other targets know when to hide
the debug bar.

Change-Id: Ide1487250ee6c92ccf968784d429cd43ffe283f9
Merge "Separate out debug bar for use outside the demo"
Merge "Update OOjs to v1.0.9"