Merge pull request #140 from ploubser/bug/master/mco-84

(MCO-84) deprecate and remove flattened output
Merge pull request #138 from ploubser/bug/master/mco-97

(MCO-97) Config class does not parse fixnum config parameters correctly
Merge pull request #139 from ploubser/bug/master/mco-20

(MCO-20) add unit tests for MCollective::Facts::Yaml_facts
(MCO-98) Add tests for shipped agents

This commit adds tests for all the actions in the rpcutil agent.