Merge pull request #83 from epicstar/list_save

Fixed P76
Added About activity
Merge pull request #85 from RitwikGupta/master

Added About activity
Allowed app to be moved to SD Card
Removed unecessary strings file
Merge pull request #86 from RitwikGupta/master

Allowed app to be moved to SD Card
git push origin masterMerge branch 'epicstar-list_save'
Merge remote-tracking branch 'upstream/master'

Conflicts:
	Android/Pittsburgh_Realtime_Tracker/app/build.gradle
	Android/Pittsburgh_Realtime_Tracker/local.properties
URLs now gone from source code
Have the buses added.
Update README.md
Merge pull request #88 from epicstar/master

URLs gone from source code.