Fix some classpath stupidity.

Don't include all libs on the CP when running.

Put the main libraries first, rather than letting plugins trash the classpath.

Change-Id: I0b048a603ba4c854370807c6ae89c5a400423686
Reviewed-on: http://gerrit.dmdirc.com/2953
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager
Update submodules: plugins (new commits)

plugins:
    c467a18 Greg Holmes <greg@dmdirc.com>
            Bump cinch support version to remove horribleness.

            Gerrit: http://gerrit.dmdirc.com/2954

Change-Id: Ica0272cd0d1f293892800da372c213cdec5be6f0