Added provisoionr:resume command to resume suspended processes. Fixes #97
Resume command is now reset-retries command

* process does not get in suspended state when jobs fail
* added unit test for reseting the number of retries
* added PoolBusinessKey process variable to link all related processes
Fixed review issues. closes #97
Merge pull request #97 from ieugen/issue-97

Add "reset-retries" command to the distribution