Support passing eventData in Delegator.addEvent
Change anchor mouse event reporting method signature
Revert "Support passing eventData in Delegator.addEvent"

This reverts commit 1da99a3e47355376a8cb1f209359e10799f197f0.
TextHighlight: Don't use addEvent for anchor mouse events.
TextHighlight: Remove redundant data passing around anchors. Kudos to @tilgovi
Merge pull request #52 from hypothesis/fix-event-signature

Fix event signature for anchor manipulation by mouse