adding rdoc to mcollective_application_container

about half way through annotating

doced more

only 23 protected methods left

got a few more documented

still more function docs

all methods have comments.  A couple still need fleshing out

finally got a comment on everything.

cleaned up and augmented rdoc comments

more cleanup of rdoc

corrected class name typo

fixed pull request typo comments

change comments on job functions to indicate what they really do