Bundle core miglayout as well as swing

Change-Id: I2d2483463391e011bca68de2714e3d7be8a9361f
Reviewed-on: http://gerrit.dmdirc.com/2741
Reviewed-by: Chris Smith <chris@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

build.xml

 
     <target name="-add-libs">
         <jar destfile="${plugins.dist}/ui_swing.jar" update="true">
-            <zipfileset src="${plugins.lib}/main/miglayout-swing.jar" includes="net/miginfocom/layout/**,net/miginfocom/swing/**"/>
+            <zipfileset src="${plugins.lib}/main/miglayout-swing.jar" includes="net/miginfocom/swing/**"/>
+            <zipfileset src="${plugins.lib}/main/miglayout-core.jar" includes="net/miginfocom/layout/**"/>
             <zipfileset src="${plugins.lib}/main/menuscroller.jar" includes="darrylbu/util/**"/>
             <zipfileset src="${plugins.lib}/main/jxlayer.jar" includes="org/jdesktop/jxlayer/**"/>
             <zipfileset src="${plugins.lib}/main/cinch.jar" includes="*/**"/>