Update submodules: plugins (new commits)

plugins:
    0f1fd3b Chris Smith <chris@dmdirc.com>
            Add @Exported annotation to all exported methods.

            Depends-On: I2bea7440d9e61145bb68f02dff55ec52d11ba1af
            Gerrit: http://gerrit.dmdirc.com/2909

Change-Id: I50d539e6ac46d18e8c7f1b1dfcc1a1dd34b3b436

modules/plugins

@@ -1 +1 @@
-Subproject commit e216057101beef16dc149b8bf2cad92e19a8ea07
+Subproject commit 0f1fd3bea605b40cb7d17db6f81063a2fffa6b90