Cleanup - fix bower versions, remove extra files

copy of geojson files already exists in frontend/app/data.  Fixes #13
More cleanup -- move combine data with scripts
Cleanup and convert to topojson

TopoJSON equivalent of the CA is only 130k.  Also don't need the arc
file.
GeoFiles service
start hkMap directive, ref #10
Hover handlers
Show code for the moused over feature
Dynamic swapping of layers based on zoom level
testing for geofiles, also caching
prepping hkMap.js for click to select
laying out some services
Merge branch 'master' into frontend
Mappings and tests
More methods on Mapping for traversing GeoTree
Finish Mapping methods for traversing GeoTree
Continuous testing
AreaModel testing
Add area functionality for AreaSelection
Tests for area removal
Area removal