Re #1734: Add flash support for DTMF rfc 2833.



git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@4739 74dad513-b988-da41-8d7b-12977e46ad98
More pjsua2 API (re #1519): changed default options value in createPlayer(), createRecorder(), and createPlaylist() to use 0 which is more natural

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@4740 74dad513-b988-da41-8d7b-12977e46ad98
More pjsua2 API (re #1519): removed -static-libstdc++ flags from setup.py

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@4741 74dad513-b988-da41-8d7b-12977e46ad98
More pjsua2 API (re #1519): renamed TimeValue to TimeVal due to conflict in iOS SDK

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@4742 74dad513-b988-da41-8d7b-12977e46ad98
More pjsua2 API (re #1519): removed -static-libstdc++ flags from build.mak

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@4743 74dad513-b988-da41-8d7b-12977e46ad98