Branch for working on UA

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/b-EKR-testua@7120 ddefafc4-47db-0310-ae44-fa13212b10f2
Branch for working on test UA

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/b-EKR-testua@7121 ddefafc4-47db-0310-ae44-fa13212b10f2
Refactored UserAgent

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/b-EKR-testua@7122 ddefafc4-47db-0310-ae44-fa13212b10f2
Added

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/b-EKR-testua@7123 ddefafc4-47db-0310-ae44-fa13212b10f2