add versionadded to reg exec and state mods

salt/modules/reg.py

@@ -443,6 +443,8 @@ def delete_key(hkey, path, key=None, reflection=True, force=False):
 
 def delete_key_recursive(hive, key):
     '''
+    .. versionadded:: 2015.5.4
+
     Delete a registry key to include all subkeys.
 
     :param hive:

salt/states/reg.py

@@ -282,6 +282,8 @@ def absent(name, vname=None):
 
 def key_absent(name, force=False):
     r'''
+    .. versionadded:: 2015.5.4
+
     Ensure a registry key is removed. This will remove a key and all value
     entries it contains. It will fail if the key contains subkeys.