Make splitter connect to signals with PURPLE_SIGNAL_PRIORITY_LOWEST, which
should cause it to be called before other plugins, such as OTR. I believe
this fixes #571.
/*
* Infopane - Use different views for the details information in conversation windows.
_("This plugin is incompatible with the running version of Pidgin and Libpurple because it is too old. Please upgrade to the newest version of Pidgin."));