Improved UI navigation between fragments
- Added select item fragment on sell
- Added animations to fragment transactions
- Added menu to Market fragment
Merge remote-tracking branch 'origin/master'

Conflicts:
	UWMarket/src/main/java/com/collegecode/fragments/additem/AddBookFragment.java
	UWMarket/src/main/java/com/collegecode/fragments/additem/AddClickerFragment.java
	UWMarket/src/main/res/layout/fragment_add_book.xml