changed actionbaractivity to activity
Merged with master
Offer Course layout changes
Fix tutor activity transtion bug
modified insession for tutor and added tutor receipt
Merge remote-tracking branch 'origin/JoyDev3' into StevenDev
Handled all back buttons, edited youowe, list of tutors display etc, - still need to handle broadcast
Session end stuff working
Merge remote-tracking branch 'origin/JoyDev3' into StevenDev

Conflicts:
	UberTutorAndroid/app/src/main/java/ee461l/ubertutorandroid/InSessionActivity.java
	UberTutorAndroid/app/src/main/java/ee461l/ubertutorandroid/ReceiptActivity.java
	UberTutorAndroid/app/src/main/java/ee461l/ubertutorandroid/TutorHandshakeActivity.java
	UberTutorAndroid/app/src/main/java/ee461l/ubertutorandroid/TutorReceiptActivity.java
changed duration calculation and username display in tutorortuteeactivity
set stepsize of ratingbar to 1 - no float numbers
Last changes
layout change and other stuff
Merge remote-tracking branch 'origin/JoyDev3' into StevenDev