Removed the "testing" bi-directional functionality until it's more tested
Merge pull request #90 from grantlucas/grantlucas_dev_marker_events

Cleaned up marker events removing legacy function while preserving backwards compatibility.
Updated to latest source
Removed the "{ zoom: true }" parameter from a map.setCenter event to prevent flickering:
https://github.com/tombatossals/angular-leaflet-directive/issues/85