as rewrite of the cache functionality from CSCS to work with TRES and
rename it to be assoc_mgr_info instead of generic cache.

associations with TRES

to accept flags telling them to do certain things

This will make using the Cray test environemt easier

Conflicts:
	src/api/cache_info.c
	src/plugins/slurmctld/dynalloc/msg.c

slurmctld.

Conflicts:
	src/plugins/accounting_storage/mysql/as_mysql_assoc.c

Conflicts:
	src/plugins/accounting_storage/mysql/as_mysql_assoc.c

when removing a limit from an association on multiple clusters
at the same time.

to gain the correct limit when a parent account is root and you
remove a subaccount's limit which exists on the parent account.

Expect is sometimes splitting lines on long output bufffers
  resulting in this test to sporatically fail. This reduces
  the volume of output, which seems to fix the problem

This fixes changes made in commit d4d51de7
Which fails for a job state of Pending (needed to special case the zero value).

abort if specified acct_gather_energy plugin can not be loaded
  rather than deadlocking
bug 1797