Start visualization implementation
Add route visualization colors for cycling
Make minor modifications
Do not store recording id to localStorage
Remove posting data to server for now
Merge branch 'visualization' into recording

Conflicts:
	src/record.coffee
Calculate and visualize navigation route in new way
Add condition to track route backwards
Start implementing list for user to show recorded routes
Make user's route list more user friendly
Calculate navigation route again differently
Send data to server
Correct some bugs
Add visualization functionality
Add legend for speed colors
Make visualization more user friendly
Correct syntax error
Calculate speed for route based on timestamps and send transport mode and raw data to server
Include css for the speed legend
Change opacity for my routes visualization