freeswitch: Initial code for english voicemail
couch_daemon/registration: don't crash on failure
traces/pcap_tail: prevent "multiple listeners" errors
Initial Freeswitch "en-us" test code.
English numbers test corrections
updated for recent en-us-callie sound package layout (different rates are built on the target)
freeswitch/lang: added `spell` phrase
New `announce` SBC target (egress-only at this time).
Update mediaproxy dependency

Our package 2.5.2-3 contains the `no-TLS` changes as previously, and adds proper kernel-release detection for recent Debian `linux-image` packages.
bump dependency
bumped mediaproxy dep again
Replaced noejs-shimaore with nodejs..~shimaore
Merge branch 'master' into gh-pages