Warn and reset `worker_threads` to the minimum of 3 if lower.
second bugfix for #1598

ssh.rm_known_host does not reset the ownership of .ssh/known_hosts to the
specified user.
Merge pull request #4641 from fsaintjacques/develop

second bugfix for #1598
salt.states.group.present system arg undocumented
Add import of regular mkdir to win_file
Remove vestigial parameter
Let Windows minion break out of loop
Merge pull request #4635 from s0undt3ch/develop

Warn and reset `worker_threads` to the minimum of 3 if lower.
Store auth object in a standard place so it can be shared
Add file_buffer_size to minion config
Add file_recv method to master
Add cp.push function to cp module, Fix #1136
Only force to 3 if the peer interface is configured
Merge pull request #4644 from dlam26/develop

salt.states.group.present system arg undocumented
Created file for lvm state. Implmenetd vg related functions
Only warn about ppa on Ubuntu,Fix #4629
Added functions to create/remove logical volumes ref #118
Added function for creating pysical volumes. ref #118
Merge pull request #4645 from UtahDave/develop

Fix file.recurse:   - clean: True   on Windows minions.
Added comments to functions. ref #118