Added a test to validate d3 geojson rendering
adding utility module containing wigglemaps RangeTree
Importing Box and vect classes required for range queries
Implemented mousemove events for point feature
Implemented click event handlers
adding selection by mouse click/drag
implemented brush selection for point feature
block context menu in mapInteractor
removing the assumptions that point radii are equal
adding a fallback in case jquery-mousewheel isn't loaded
Add elevation member to geo.latlng
Add support for z value
Add validate of z value in geojsonReader test case
Fix jshint issues
Assume sea-level if no value is given

In the future, we may have to define invalid value
Enabling binding to feature selection api with geoOn
Attempting to fix random test failures
Fixing two renderers test.
Fixing center and zoom test
Fixing local tile store and geojson test