Support kwargs in salt-ssh

Spurious debugging
using strftime instead of asctime in backup_minion
using strftime instead of asctime in backup_minion, fix
Don't stactrace on docs with invalid eauth
Set new_rev var to avoid reference before assignment
Return a changes dictionary for git.latest in test=true mode
Added follow_symlinks kwarg to file.check_perms

Conflicts:
	salt/modules/file.py
Add versionchanged directive
Load rpm.py for all rpm-based OSes