reflow, resip/recon: ensure libraries link with sipXtapi libs

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/resiprocate-1.9@11083 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/branches/resiprocate-1.9@11084 ddefafc4-47db-0310-ae44-fa13212b10f2
resip/recon: per-participant tone support

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/resiprocate-1.9@11085 ddefafc4-47db-0310-ae44-fa13212b10f2
resip/recon: clarify DTMF API: tones represented by event code, API-user durations in milliseconds

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/resiprocate-1.9@11086 ddefafc4-47db-0310-ae44-fa13212b10f2
release: update ChangeLog for v1.9.4

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/resiprocate-1.9@11087 ddefafc4-47db-0310-ae44-fa13212b10f2
release: update ChangeLog for v1.9.4

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/resiprocate-1.9@11088 ddefafc4-47db-0310-ae44-fa13212b10f2