Update submodules: plugins (new commits)

plugins:
    f795202 Greg Holmes <greg@dmdirc.com>
            This code doesn't do subdirectories, so is completely broken.  It just happens to not be used in the client.

            Revert "Start using nio2 in resource managers."

            This reverts commit bc1238c0e5.

            Gerrit: http://gerrit.dmdirc.com/3512

Change-Id: Ib2f5b0a8ab0dbade361f7aa0e8f58013289a6669

modules/plugins

@@ -1 +1 @@
-Subproject commit bc1238c0e5afbb49d4551b453d0963e857d2f0ae
+Subproject commit f7952026ca8e00e5f9e5e6b0d8ab26b228e926b8