Export pools as Rundeck "Resource Model Source"

Rundeck documentation for URL resource model sources:
* http://rundeck.org/docs/manpages/man5/resource-v13.html

Axemblr Provisionr URL:
* http://localhost:8080/rundeck/machines.xml
Merge pull request #138 from andreisavu/issue-138

Export pools as "Resource Model Source" for Rundeck
[maven-release-plugin] prepare release provisionr-0.3.0
[maven-release-plugin] prepare for next development iteration
Added configurable timeouts

- propagating a timeout received from CLI through a process variable
- converting from seconds to the activity timeout string with tests
Merge pull request #108 from cimi/issue-108

Make timeouts configurable