Add support for liveness timeout on transactions to ASs
Make members public - otherwise won't build without no-access-control compiler option
Add support for default_handling=CONTINUE
Unit tests and fixes
Handle error after 100 Trying correctly - should not do CONTINUE processing in this case
Merge dev branch and fix merge conflicts
Merge pull request #115 from Metaswitch/sto364

[Reviewer Matt] Dead AS detection and default handling