Build mod_verto for debian packaging

We still need to add special handling for the perl bits.

debian/bootstrap.sh

@@ -27,7 +27,6 @@ avoid_mods=(
   endpoints/mod_opal
   endpoints/mod_reference
   endpoints/mod_unicall
-  endpoints/mod_verto
   languages/mod_managed
   sdk/autotools
   xml_int/mod_xml_ldap