added the functionality to change the zip codes that are allowed when submitting a job request.
Merge pull request #9 from CoryG89/master

Volunteer Teams Pull Request
removed unneeded code.
Updated the functionality of adding zip codes to do all verification on the server side as well as simplifying the input interface to taking just a comma separated list.

Fixed a bug in the staff route for adding jobsites. When adding a jobsite a staff member is taken to the review page. The id of the new jobsite was being returned as undefined.
Merge pull request #14 from justin3rd5Auburn/master

Zip Codes
Merge branch 'master' of https://github.com/AuburnBigEvent/BigEvent
Removing unused teams collection from dbman module