FS-11091: [mod_sndfile] Remove libsndfile from the code base, use pre-compiled binaries on Windows, update to libsndfile 1.0.28

FS-11090: [Build-System] Move PCRE library to pre-compiled binaries, minor cleanup, reduce build log verbosity on windows.

FS-11016: [mod_av] Looping a video file that has resize feature enabled can allow a non-resized frame to slip after file seek #resolve

FS-10908: [mod_amqp] AMQP routing key (format_fields) formation broke and invalid reads reported by valgrind #resolve

FS-11070: [mod_conference] Improve video bridge first two for mux mode -- add support for files playing in this mode #resolve

FS-11068: [mod_conference] Avatar members not supported on personal canvas leading to miscount #resolve