Task #9634: fixed issue. The otdb function getTreeGroup used to return its results ordered by starttime, but it did not anymore after the excludePLCluster change. The fix is simple: order the result set by starttime again

Task #9192: Merged resource estimator service.py from RA1_0_Integration-Task9192 after a problem in the 34853 merge

Task #9599: Changed scheduler to not set input files for CEP4 and ignore pipelines managed by SLURM with a start time in the past.

Task #9192 and #9580 and #9581: fixes for filtering of tasks and responsiveness of loading/filtering data

Task #8887: added ScheduleChecker, which automatically moved scheduled pipelines just ahead of now, and which extends the endtime of running pipelines to now

Task #8887: in r34709 and this changeset, added group name and object_id in momqueryservice. Show group name and link to mom in webscheduler list

Task #8887: only change claim status of tasks in 'prepared', 'approved', 'on_hold', 'conflict', 'prescheduled' state