branch for out of dialog refer

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/b-outofdialogrefer-20060330@6116 ddefafc4-47db-0310-ae44-fa13212b10f2
out of dialog refer implemented - first cut

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/b-outofdialogrefer-20060330@6118 ddefafc4-47db-0310-ae44-fa13212b10f2
added event header in message

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/b-outofdialogrefer-20060330@6125 ddefafc4-47db-0310-ae44-fa13212b10f2