Add credential checking to server REST interface.
Add credential checking to server REST interface.

Make sure that each dispatched REST method checks the requesters credentials. Also ensure that even a valid user cannot modify a request that is not their own, unless they are an admin user.

	modified:   src/python/services/RequestsDB.py

alexanderrichards/LZProduction,alexanderrichards/LZProduction,alexanderrichards/LZProduction,alexanderrichards/LZProduction