ENG-5745: Make durable prcs part of replay log.
ENG-5745: handle Mp fragments which are durable for replay.
ENG-5745: typo and comment.
ENG-5745: update test
ENG-5745: review changes.
ENG-5745: move isDurableProc to CatalogUtil as its more generic.
ENG-5745: review changes.
Merge pull request #1095 from VoltDB/ENG-5745

ENG-5745: Make durable prcs part of replay log.