added picure selection to edit post activity
image now scales to image thumbnail
added some comments
populated favorites and readlater views
minor dependancy inversion changes in TopicListActivty
code clean up
added new fragment layout for read later and favorites
removed topic comment fragment layout cause thats a stupid idea
Updated PostViewActivity
Merge branch 'master' of https://github.com/CMPUT301W14T12/GeoChan
fixed the topics page view problem
cleaned some testing code
Merge branch 'providerRefactor'

Conflicts:
	src/ca/ualberta/cs/models/DummyPostListFactory.java
Modified the id and the constructors