Save original caller-id
lib: added `command` class.
Using the new `ccnq3.command` class.
couch_daemon: added socket.io command sending, updated zappajs version
lib is now a separate repo.

Renamed as `ccnq` as well.
Prevent X-CCNQ3-Endpoint from leaking to clients or carriers.
Removed dup entry
Sorted the entries in alphabetical order to avoid dups in the future :)
Added external handling for voicemail.
Add warning and critical triggers for `dumpcap_reason_abs`.

The triggers are expressed in cps (call attempts per second).