FTT-74 Users can reach the vendor landing screen by logging in via Twitter or Facebook
FTT-74 Basic view for the vendor home page
Add the structure for the AccountManager

Conflicts:
	mobile/src/main/java/com/truckmuncher/truckmuncher/login/LoginFragment.java
	mobile/src/main/res/values/strings.xml
FTT-74 Basic login flow for vendors is mostly working. There is still a small issue with logging out, but it's still functional.
FTT-74 Minor login changes
FTT-74 Changes to the serving mode and login UI based on the code review.
Merge branch 'master' into servingMode
Merge branch 'master' into servingMode
Make the tests compile again
Merge pull request #9 from TruckMuncher/servingMode

Serving mode UI