Fixed issue #4681. Increased VSS limit to 20411724
Merge pull request #4690 from alexanderrichards/master

Pull request for issue #4681
RelValMC further clean up

RelValMC workload was removed in #4687, this patch cleans up remaining
relevant, now unnecessary, references.
Merge pull request #4691 from zdenekmaxa/relvalmc-removal-further-cleanup

RelValMC further clean up
ReqMgr TaskChain request templates added.

4 extra request templates for TaskChain workflows.
Fixes #4545
Merge pull request #4693 from zdenekmaxa/reqmgr-taskchain-testing-templates-4545

ReqMgr TaskChain request templates added.