support for retroshare links in gxs forums

- only group can link at the moment

added more nxs tests and better cleanup
- test ability sync with a delayed circle load 

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@7384 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/gxsforums/GxsForumsDialog.cpp

@@ -80,6 +80,11 @@ QString GxsForumsDialog::text(TextType type)
 	return "";
 }
 
+RetroShareLink::enumType GxsForumsDialog::getLinkType()
+{
+    return RetroShareLink::TYPE_FORUM;
+}
+
 QString GxsForumsDialog::icon(IconType type)
 {
 	switch (type) {