Added support for hover-over popups with Vector layers, refs: geomoose/geomoose#22
Added a tail, refs: #22
Fixed small bug where Activate was providing Fade
Created a new API method to activate layer tools, created a popup tool for vector layers to reduce the number of clicks between turning the layer on and investigating the data, refs: geomoose/geomoose#22
Merge branch 'popups_tkt_22'