Fix copy/paste bug
Add failing test case for #1495 from @iirvine
Fix for #1495
Replace the FeatureGroup test with a better one in events, this one currently fails
Always stamp the context in addEventListener, makes the optimisation always apply if there is a context.
Fix whitespace for jshint
Add another events test and fix from @iirvine
Use L.stamp to always have a stamped context on removal too.
Merge pull request #1514 from danzel/featuregroup

Fix adding/removing events on an unstamped context
safer _getSubdomain

Note that (tilePoint.x + tilePoint.y) might be negative in some cases (custom CRS with tiled WMS).
Merge pull request #1532 from malexeev/master

Somewhat "safer" _getSubdomain method - now it works even when (tilePoint.x + tilePoint.y) is negative.