Saving a boarding record adds MPA field if appropriate

[Sheeri]

If the location of a boarding is inside the polygon of an MPA, the boarding record should add the field:

inspection.summary.MPA
and the value should be saved as a string that matches the MPA.name from the MenuData collection. e.g. "Galapagos" or "Cocos Island Marine Preserve" are the 2 possible values right now.