fixed add and edit functionality
Database no longer accepts menu items with duplicate names
edit item drop down now updates when item is changed
make the database reference for orders
Revert "make the database reference for orders"

This reverts commit be0add0f5b381e966f5d93f788fb821afe67b3de.
Merge branch 'master' of https://github.com/umkogut/4350Proj
Added QUnit tests for the admin page