Fixed #1712: Must not send BYE before ACK is received

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@4653 74dad513-b988-da41-8d7b-12977e46ad98
Fixed #1713: Enable building the libraries as shared libraries/DLLs for GNU targets

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@4656 74dad513-b988-da41-8d7b-12977e46ad98
Fixed #1714: Workaround for stuck in TCP/TLS shutdown when another thread is destroying the transport

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@4661 74dad513-b988-da41-8d7b-12977e46ad98
Re #1630: updated wrong documentation about default jb_init value in pjsua. The default is 0, not 150.

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@4667 74dad513-b988-da41-8d7b-12977e46ad98
Misc re #1630: added string.h to pjlib-util.h. Thanks Johan lantz for the suggestion

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@4688 74dad513-b988-da41-8d7b-12977e46ad98
Fixed #1717: Destroy media subsystem after all pollings/busy_sleep() are done, but leave deallocating media transport (via pjsua_media_channel_deinit()) before the pollings to allow clean TURN destroy.



git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@4694 74dad513-b988-da41-8d7b-12977e46ad98
Fixed #1718: Immediately shift call state to DISCONNECTED after receiving 422 response without Min-SE header.



git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@4695 74dad513-b988-da41-8d7b-12977e46ad98
Added readme for git.
Rename readme.
Typo in README
Merge branch 'master' of https://github.com/dennisguse/pjsip