Merge pull request #70 from valiantvu/feat/marcopolo

Feat/marcopolo
feat/correct the timeConverter directive, added simple routing tests
Merge pull request #72 from baoducng/test/router

feat/correct the timeConverter directive, added simple routing tests
(feat) Only plot new heatmap point if user has moved over 10 meters
Merge pull request #71 from valiantvu/feat/marcopolo

(feat) Re-render heatmap with new data whenever user has moved to new lo...
(test) Add locations.gpx to simulate locations
(cleanup) Update location file to follow straight path
(feat) Add contains method to heatmapService to check if location has been visited already
(feat) Use heatmapService contains method so that location is only added to heatmap if in new location
(feat) Add options to map to default to satellite mode
(cleanup) Remove comments, prevDistance, and moveDistance