Adding basic framework for salting Windows
Allow user to pass through win_installer option
Fix typo with win_installer
Simplify windows detection
Add win_cmd function for shelling out to smbclient/winexe
Need to explicitly pass through master for windows installs
Changing smb_cmb to creds
winexe is port 445, not 139
Merge pull request #830 from s0undt3ch/develop

Update to salt-bootstrap v1.5.7.  Fixes #776.
Merge pull request #829 from techhat/ssh2port

Adding basic framework for salting Windows
Update to salt-bootstrap v1.5.8.