(#3287) Avoid an extra EC2 API call by duplicating some code.
(#3387) Don't set the hold message superfluously; only delete jobs without
any remote identifiers.
(#3287 and #3387) Add version history items.
(#3287 and #3387) Version history entries.
Merge branch 'V7_9_3-branch' of ssh://ingwe.cs.wisc.edu/p/condor/repository/CONDOR_SRC into V7_9_3-branch