Loop over each minion and grab the 'ret' value from the return

Fixed non-existent variable name.
Added list_upgrades function to ebuild module
Merge pull request #3265 from whiteinge/sysdoc-runner

Fix the sys.doc runner
Merge pull request #3268 from shadowfax-chc/ebuild

Added list_upgrades function to ebuild module
Bump version to 0.12.0
Fix undefined ref error
Remove unused refs in linux_lvm
fix ret undefined error
layman refs should be strings
fix bad ref to **kwargs
fix bad ref to r when it should be regex
Fix bad name in minion event firing
Fix bad ref to sources"
Removed unused import
fix extra opening of file
remove unused import
python 3 erize exception
Add a python DSL renderer.
bug fixes and add a cmd.call to the cmd state.

The cmd.call state integrates with pydsl such that it's possible
to declare a state that would call a python function when the state
is applied.
Add a test module for pydsl and some bug fixes.