Target Android 18
Explicit reference to android-mapviewballoons
Add GTFS_DIR variable
Rename Prediction to TimePrediction
Rename Prediction to TimePrediction, add IPrediction
TimePrediction implements IPrediction
Change references to TimePrediction to IPrediction. Other minor changes
Remove unused field
Handle null route
Remove duplicate alerts
Merge branch 'master' into mta

Conflicts:
	src/boston/Bus/Map/data/IPrediction.java
	src/boston/Bus/Map/data/PredictionStopLocationPair.java
	src/boston/Bus/Map/data/Predictions.java
	src/boston/Bus/Map/data/StopLocation.java
	src/boston/Bus/Map/data/TimePrediction.java
	src/boston/Bus/Map/main/MoreInfo.java
	src/boston/Bus/Map/parser/BusPredictionsFeedParser.java
	src/boston/Bus/Map/parser/CommuterRailPredictionsFeedParser.java
	src/boston/Bus/Map/parser/HeavyRailPredictionsFeedParser.java
	src/boston/Bus/Map/ui/BusPopupView.java
	tools/autogenerate.sh