Minor IDEA updates.

Add a run configuration for all tests.
Ignore file created by atlassian plugins.

Change-Id: I26409523cbd5acf8670cfd6788eef04b2866e913
Reviewed-on: http://gerrit.dmdirc.com/3701
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Update submodules: plugins (new commits)

plugins:
    f2367bc Chris Smith <chris@dmdirc.com>
            Manually create some factories.

            Gerrit: http://gerrit.dmdirc.com/3702

Change-Id: Icdb9bcf475d900a74f40fa32402defb4bce9698a