Made model parcable. Implemented posting and pulling of TopLevelComments.
Fixed the replies issue and some write to cache
Updated UML (NOT 100% COMPLETE)

I will continuously work on the UML to ensure it is up-to-date as we
work on the project. I had to run so I am submitting this now as it is
more accurate than before.
Forgot to upload .jpg of UML
seemed to improve the speed -- no app not responding msgs.
forgot to add a java class
UML updated to reflect changes
Pushed code around for Browse Activities