Stop trying to commit stupid dictionary folders

Change-Id: I1c6a2f5701827f5f4fb56ab118b0d736f6b6c1c6
Reviewed-on: http://gerrit.dmdirc.com/3936
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

.gitignore

@@ -48,4 +48,5 @@ __history
 /.gradle
 /*/build
 /etc/nexus-teamcity.properties
-/.idea/libraries
+/.idea/libraries
+/.idea/dictionaries