Navigating routes works! Wassup, yo.
Merge branch 'master' of https://github.com/ZihaoAllen/PennApps2013

Conflicts:
	src/com/example/spheroapp/MainActivity.java
Remove dead code
Update picture with compass
Merge branch 'master' of https://github.com/ZihaoAllen/PennApps2013
fix route size
Merge branch 'master' of https://github.com/ZihaoAllen/PennApps2013
Merge branch 'master' into prakhar
Having backup of route_02
Merge branch 'master' into prakhar
Renaming route_02_backup to route_02.png
Merge branch 'prakhar'
Additional UI changes.
Merge branch 'master' of https://github.com/ZihaoAllen/PennApps2013
fixing conflict