[4.06]Added Testcase [SG,TJ]
[0815][Refactoring]Refactored class Fahrt[TJ,SG]
[4.06] Created two test methods for offer ride task[TJ,SG]
[4.06] wrote testcases for util class [TJ,SG]
[4.06] added utils class [TJ,SG]
[0815][Refactor]refactored utils class[TJ,SG]
[0815][Refactor]refactored utils Test class[TJ,SG]
Test Cases update for Utils [TJ,SG]
updated utils class [TJ,SG]
Test Cases update for Utils [TJ,SG]
updated utils class [TJ,SG]
[4.06]Merge branch 'master' into fa [TJ,SG]

Conflicts:
	MitfahrApp1/src/com/mitfahr/database/FahrtenModel.java
	MitfahrApp1/src/com/mitfahr/database/Ride.java
[4.06] Changed Testsuite and small changes in Ride Model everything for merging[TJ,SG]