rate/review list working
This is the "List of Ratings and Reviews" implementation. RateReviewListFragment has yet to be completed.
I commented out the stuff that made the app crash.
Merge remote-tracking branch 'origin/RRListDec1'

Conflicts:
	app/src/main/java/com/example/nicklawler222/shopping/ProductFragment.java
	app/src/main/java/com/example/nicklawler222/shopping/SplashActivity.java
fixing merge errors