Update submodules: plugins (new commits)

plugins:
    1c2905d Chris Smith <chris@dmdirc.com>
            Make the RedirectCommandTest work sanely.

            Mock out everything that it uses, remove dependency on lots of
            global state, and re-implement the actual test which was @Ignored.

            Depends-On: I63879db5c13517cfa60941fce73a2ba01e63f1cd
            Gerrit: http://gerrit.dmdirc.com/2682

Change-Id: If7526da6fdb71454d413c2c356a728b8ccbcbf53

modules/plugins

@@ -1 +1 @@
-Subproject commit e5c43ebf2ddb7fcca4b2c6d520582b33844e93f3
+Subproject commit 1c2905d0f6fcd0b2ae410ce34ea5e10597000c70