[0815][refactoring](LG,RB) deleted old xml files
[0815][refactoring] refactored classes in database package
[0815][refactoring](LG,RB) refactored
[0815][refactoring](LG,RB) refactored activity_offerride.xml and ActivityOfferRide.java
[0815][refactoring](LG,RB) refactored activity_check_trip.xml
[0815][refactoring](LG,RB) refactored ActivityCheckTrip.java
[0815][refactoring](LG,RB) refactored ActivityGetRide.java and activity_getride.xml
[0815][refactoring](LG,RB) checktrip again
[0815][Refactoring] Merge branch 'master' into design[TF,MP]
[4.01] added drawable folder in res[TJ,TF,MP]