Added checking for git ref according to git-check-ref-format rules
Added ; to list of chars not allowed
fix bz1031821 - node exceptions are now propagated. Failed ops are also mentioned in the error message
Merge pull request #4213 from lnader/master

Merged by openshift-bot
Merge pull request #4241 from rajatchopra/fix_parallel_msg

Merged by openshift-bot