Merge pull request #44 from epicstar/master

Fixed all markers disappearing when tracking inactive buses
Merge pull request #46 from epicstar/master

Added a thread kill (still bugged) and a working save state for the bus ...
Fixed else-ifs and added arrows
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Android/Pittsburgh_Realtime_Tracker/app/src/debug/res/values/google_maps_api.xml
	Android/Pittsburgh_Realtime_Tracker/app/src/main/java/rectangledbmi/com/pittsburghrealtimetracker/handlers/RequestTask.java
Merge pull request #47 from RitwikGupta/master

Added arrows and fixed checking for bus routes
Changed the icons of the buses, made sure the UI doesn't run in the background (with timertask), button click of the list instantly updates the UI and resets the timertask, saved camera location.