Added special branch '_' in git_pillar to match saltenv
Renamed special branch from '_' to '__env__'
quote input in aptpkg mod
Friendly message if name arg is none/false

Closes #18432
Pass loglevel in zcbuildout

Closes #18380
Started some unit tests for the cmdmod.py module
Pylint fix
Remove encoding kwarg from ustring

Fixes #18458, Refs #18374
added diskuasge() - calculates diskusage of a directory
diskusage() - added a way to check files
Fix bug in win_service.status. Make all sc calls use list2cmdline for constistency.
Merge pull request #18452 from cachedout/issue_18380

Pass loglevel in zcbuildout
Merge pull request #18449 from cachedout/require_name_in_file_state

Friendly message if name arg is none/false
Merge pull request #18450 from jfindlay/quote_apt

quote input in aptpkg mod
Merge pull request #18454 from rallytime/cmd_unittests

Started some unit tests for the cmdmod.py module
Merge pull request #18467 from rallytime/remove_encoding_arg

Remove encoding kwarg from ustring
Merge pull request #18473 from fastmarkets/2014.7

Fix bug #18129 in win_service.status.
Adding some fixes to the schedule when splay is specified but the seconds option is not.  Also allowing splay start and end flags to be equal to lock down splay to a specific number of seconds.
Do not log
validate block devices in parted mod