Correct idea project libraries path.

Change-Id: Ibb3acb9da697a3956092d8fa957492d14cb2303b
Reviewed-on: http://gerrit.dmdirc.com/3734
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

.idea/libraries/main.xml

 <component name="libraryTable">
   <library name="main">
     <CLASSES>
-      <root url="jar://$PROJECT_DIR$/lib/main/base64.jar!/" />
       <root url="jar://$PROJECT_DIR$/lib/main/dagger-compiler.jar!/" />
       <root url="jar://$PROJECT_DIR$/lib/main/dagger.jar!/" />
       <root url="jar://$PROJECT_DIR$/lib/main/guava.jar!/" />
       <root url="jar://$PROJECT_DIR$/lib/main/raven.jar!/" />
       <root url="jar://$PROJECT_DIR$/lib/main/slf4j-api.jar!/" />
       <root url="jar://$PROJECT_DIR$/lib/main/yamlbeans.jar!/" />
+      <root url="jar://$PROJECT_DIR$/lib/main/migbase64.jar!/" />
     </CLASSES>
     <JAVADOC />
     <SOURCES>