rutil: ServerProcess: provide facility to check if process already running

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/main@11078 ddefafc4-47db-0310-ae44-fa13212b10f2
resip/recon: fix for case where DialogSet Profile is not an instance of ConversationProfile

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/main@11079 ddefafc4-47db-0310-ae44-fa13212b10f2