Locatoins now binded to posts
Added some small comments
started updating the UML
Fixed distance button
Small fix to view
Added default locations
Fixed locations. Set location to show coordinates in view activity.
UI Update
Merge branch 'master' into providerRefactor

Conflicts:
	src/ca/ualberta/cs/adapters/PostListViewAdapter.java
	src/ca/ualberta/cs/models/PostModel.java
	src/ca/ualberta/cs/views/EditPostActivity.java
	src/ca/ualberta/cs/views/PostViewActivity.java