fixed undefined problem for unrequired fields
Merge branch 'master' of github.com:ITS-UofIowa/obermann.uiowa.edu
resolved undefined index problem in node_preprocess for featured opportunity ref
repackaged features and updated people for opp view sort order
Merge branch 'test' into prod
Merge branch 'prod' of github.com:ITS-UofIowa/obermann.uiowa.edu into prod