* Minor: fixed warning about unused static function when the test is disabled
* Part of #3188: Add support for pj_ioqueue_create2(), ioqueue_add_to_set2(), ioqueue_remove_from_set2()
* #3188: fixing epoll ioqueue EPOLLIN problem, added pj_ioqueue_create2(), ioqueue_add_to_set2(), and ioqueue_remove_from_set2() functions, and added more unit tests
* Continuing #3188: porting t oWindows/Visual Studio
* More #3188: minor fixes
* More #3188: minor fix on Windows to remove runtime warnings
* More #3188: clearer documentation comments
* More #3188: do not check for EXCLUSIVE support if disable_exclusive is set, and added clarification about EPOLLERR flags removal
* More #3188: clarification about unregistration test in ioq_udp.c
* Add support to ARM64 configuration for win32 build
* Add changes notes to webrtc and webrtc_aec3 third party sources
* Remove reference to libwebrtc_aec3 from libpjproject. Add reference it manually if libwebrtc_aec3 is needed.
* Fix build error on Release configuration.
- Add new property file (pjproject-vs14-api-def.props) to define the API used
- Add ioqueue specific to uwp using winRT networking API
- Add uwp GUI sample APP using Voip architecture
- Add async activation for wasapi dev
git-svn-id: https://svn.pjsip.org/repos/pjproject/branches/projects/uwp@5254 74dad513-b988-da41-8d7b-12977e46ad98