FS-6293: fix mod_silk srcdir build
FS-6293: fix mod_rtmp srcdir build
FS-6293: fix mod_shout srcdir build
move libs/stfu into the core, as it is not really a lib
FS-6293: fix mod_shout srcdir build
FS-6293: fix mod_shout srcdir build
FS-6293: we need this for srcdir for xmlrpc-c
remove unmaintaned and horribly out of date build attempts for cmake and xcode
FS-6341: --resolve add 3pcc invite w/o sdp support for 100rel/PRACK
Refactor out extraneous call to gettime

We were calling switch_epoch_time_now() twice for no good reason.