Order class supports getting quantity for a specific menu item
Re fixed test for integer ids
Updated Library to support orders
Updates to User for ordering and bill paying
Merge branch 'master' of https://github.com/mhotan/DineOn into phase5_development

Conflicts:
	DineOnUserApplication/src/uw/cse/dineon/user/bill/CurrentOrderFragment.java
Refactored Restaurant stuff to import correct ImageObtainable reference
Merge pull request #386 from mhotan/phase5_development

Have fun with that
cust. reqs get deleted, backing out of login activity will exit the app, no double menu creation when adding menu items.
Merge pull request #387 from jordanmcnea22/master

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