Merge pull request #49 from epicstar/master

Changed Google Play Services in Gradle, Changed P3 to Yellow arrow
Added Y49 arrow
Merge pull request #50 from RitwikGupta/master

Added Y49 arrow
Added app icon
Merge pull request #51 from RitwikGupta/master

Added app icon
Changed the Bus Selection to a String array, added a clear button, added Y49, changed version number to 0.156