Augeas: fix pylint and documentation

+ Fix pylint
+ Add setm support in the documentation

salt/modules/augeas_cfg.py

@@ -138,7 +138,7 @@ def execute(context=None, lens=None, commands=()):
                 value = value.strip('"').strip("'")
                 args = {'path': path, 'value': value}
             elif method == 'setm':
-		base, sub, value =  re.findall('([^\'" ]+|"[^"]*"|\'[^\']*\')', arg)
+                base, sub, value = re.findall('([^\'" ]+|"[^"]*"|\'[^\']*\')', arg)
                 base = base.rstrip()
                 if context:
                     base = os.path.join(context.rstrip('/'), base.lstrip('/'))

salt/states/augeas.py

@@ -76,7 +76,7 @@ def change(name, context=None, changes=None, lens=None, **kwargs):
 
     changes
         List of changes that are issued to Augeas. Available commands are
-        ``set``, ``mv``/``move``, ``ins``/``insert``, and ``rm``/``remove``.
+        ``set``, ``setm``, ``mv``/``move``, ``ins``/``insert``, and ``rm``/``remove``.
 
     lens
         The lens to use, needs to be suffixed with `.lns`, e.g.: `Nginx.lns`. See