added a couple of bug fixes to the dialplan_importer and fs_dialplan so that there's no longer a requirement for continue to be numeric.
this implies changing the .sql so that ext_continue is no longer an int field. 



git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk/scripts/contrib@8782 d0543943-73ff-0310-b7d9-9358b9ac24b2