Refactoring existing robots to use sdr-replication gem
Gemfile changes for moab-versioning, sdr-replication, capistrano-rvm
Adding new update-catalog robot to sdrIngestWF
Adding new create-replica robot to sdrIngestWF
Merge branch 'master' into replication

* master:
  Revise timeout options in status_workflow
  Tidy .ruby-version