Adding building estimate :)

Added Google Map Utils library for processing distances
Made buildings show up as an estimate of location
Took two classes and some JSON from Purdue-App for buildings and parsing JSON
Made image appear in Requests view.
Forgot sme stuff. And refactoring
Changes to the login and fixed null pointer in popup
Merge branch 'ui'

* ui:
  Changes to the login and fixed null pointer in popup
  Forgot sme stuff. And refactoring
  Made image appear in Requests view.
  Adding building estimate :)

Conflicts:
	android/SafeWalk/src/edu/purdue/SafeWalk/MakeRequestFragment.java