Merge branch 'maintenance' into devel

AUTHORS.md

@@ -56,6 +56,7 @@ date of first contribution):
   * [Mark Bastiaans](https://github.com/markbastiaans)
   * [Marcel Hellwig](https://github.com/punkkeks)
   * [Kevin Murphy](https://github.com/kevingelion)
+  * [Richard Joyce](https://github.com/richjoyce)
 
 OctoPrint started off as a fork of [Cura](https://github.com/daid/Cura) by
 [Daid Braam](https://github.com/daid). Parts of its communication layer and

src/octoprint/plugin/__init__.py

@@ -368,7 +368,7 @@ class PluginSettings(object):
 			set_int    =("setInt",     prefix_path_in_args, add_setter_kwargs),
 			set_float  =("setFloat",   prefix_path_in_args, add_setter_kwargs),
 			set_boolean=("setBoolean", prefix_path_in_args, add_setter_kwargs),
-			remove     =("remove",     prefix_path_in_args)
+			remove     =("remove",     prefix_path_in_args, lambda x: x)
 		)
 		self.deprecated_access_methods = dict(
 			getInt    ="get_int",