UVF: gossip 0.17 -> 0.18

Please consider the following bug fix release:

 gossip (0.18-0ubuntu1) edgy; urgency=low
 .
   * New upstream release:
     - Fixed "Fix crash in src/gossip-galago.c due to missing presence states"
     - Fixed "Fix white space bugs"
     - Fixed "Redesign adding a contact to a GtkDialog instead of GnomeDruid"
     - Fixed "Fix wrong linking order"
     - Fixed "Does not compile on Ubuntu Dapper Drake"
     - Fixed "Scroll to contact name in history window"
     - Fixed "The accounts dialog should use widget sets for known protocols"
     - Fixed "Contact information window should appear on the same desktop"
     - Fixed "Remove protocol specific instances of gossip_account_[set,get]_*"
     - Fixed "Use g_base64_[decode/encode] instead of our version"
     - Fixed "Bad glist usage, use g_list_prepend instead"
     - Fixed "Use GtkLinkButton instead of GnomeHRef (Xavier Claessens)
     - Fixed "Gossip fails to build with Galago enabled"
     - Fixed "Gossip fails to build due to some errors in peekaboo-galago.c"
     - Fixed "Implement gossip_account_has_param()"
     - Fixed "Empty resource results in invalid JID used to send messages"
     - Translations: Updated el, nl, sv, ne, fi.
   * debian/control.in:
     - bumped glib Build-Dep, dropped galago Build-Dep.
     - drop galago references.
   * debian/rules:
     - drop --enable-galago.