Fix typo in getSponsorFromLinkName (key_name variable name instead of sponsor_key_name). Add deleteSponsor function for deleting Sponsor entities from datastore.
Fix typo in getSponsorFromLinkName (key_name variable name instead of sponsor_key_name). Add deleteSponsor function for deleting Sponsor entities from datastore.

MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging