Finish unit tests.

Change-Id: I5dba46bccd147283d8389dcc3d2a4aadf4d827be
Reviewed-on: http://gerrit.dmdirc.com/4002
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Make the ActionAliasMigrator use a Path, and add a basic
unit test. Need to make ConfigFile use paths to do anything
sensible.

Also refresh gradle libs in idea so JimFs shows up.

Change-Id: I0cb2692083d0fe117b91edce63d8417ddd74e288
Reviewed-on: http://gerrit.dmdirc.com/3999
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

git-svn-id: http://svn.dmdirc.com/trunk@2877 00569f92-eb28-0410-84fd-f71c24880f

git-svn-id: http://svn.dmdirc.com/trunk@2790 00569f92-eb28-0410-84fd-f71c24880f

git-svn-id: http://svn.dmdirc.com/trunk@2216 00569f92-eb28-0410-84fd-f71c24880f

git-svn-id: http://svn.dmdirc.com/trunk@2215 00569f92-eb28-0410-84fd-f71c24880f