time_coinc_far and space_coinc_far changes

modify the superevent model so that:
 1) coinc_far --> time_coinc_far
 2) new db column: space_coinc far.

These are now available as part of the API response, but the client
code needs to be modified to edit these values in updateSuperevent.
2 jobs for spatcoinc in 27 minutes and 35 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #697525
test:3.5

00:11:44

 
  Branch
passed #697526
branch_image

00:15:50