Extracts RouteEngine to separate location update logic from display changes.
Updates tests for RouteFragment and RouteEngine.
adds grouping for route gpx's
adds description to group
correcting intent action
adds unique index for locations and asserts that all locations in a group are included in gpx
not broadcast find me unless application is interested
make sure location is unique in test
hooking into correct intents
fixes checkstyle concerns
not update map while in preview mode
Remove flipped instructions
Merge pull request #259 from mapzen/baldur/create_route_group

Baldur/create route group
Fix distance calculations.
Remove gpx trace file
removing bunch of unused code
Merge pull request #263 from mapzen/baldur/osm_login_cleanup

removing bunch of unused code
Merge pull request #261 from mapzen/chuck/remove-continue-on

Remove instruction flipping
design tweeks to the route information
adds padding to top of bottom bar in routing