Misc (re #1782): Fixed exchanged timer I timeout value (for absorbing any additonal ACK before shifting tsx state to terminated) between reliable vs unreliable transports.



git-svn-id: http://svn.pjsip.org/repos/pjproject@4964 74dad513-b988-da41-8d7b-12977e46ad98
Misc (re #1782): Fixed bug of missing SIP header "Supported: outbound, path" after a registration failure (thanks Mateusz Olejnik for the report).



git-svn-id: http://svn.pjsip.org/repos/pjproject@4965 74dad513-b988-da41-8d7b-12977e46ad98