ftmod_libpri: Append new lpwrap timers in correct order.

List is sorted in ascending order of expiration time,
fix the if clause in lpwrap_start_timer().

Signed-off-by: Stefan Knoblich <stkn@openisdn.net>
ftmod_libpri: Print warning message in lpwrap_stop_timer(), if timer is not on the active list

Signed-off-by: Stefan Knoblich <stkn@openisdn.net>
Update phrase_en.xml (to be recorded)
adding code to invoke freetdm dtmf removal api
DTMF removal code - by default making disable
adding api to release all calls/context during Subtract with Context ALL(C=*{S=*}) request processing
FS-4408 fix crash caused by missing or invalid call-id in sip invite
add uuid_media_reneg api command to tell a channel to send a re-invite with optional list of new codecs
add chan vars to tell sip to break the rfc and expect the codec payload the other side replies with rather than the one it offered which is the correct behaviour
add timestamps for on and off hold times to put in xml cdrs
FS-4591
FS-4558 --resolve
Merge branch 'master' into FS-4558
adding code to generate "DTMF Removal Enable/Disable" event from mod_media gateway to freetdm.
Some tweaks to spandsp
FS-4602 --resolve
FS-4343 --resolve add mod_directory, mod_callcenter, mod_skypopen
fixing issue of applying tdm dtmf removal
Add better handling of time values when the times aren't defined. Fix formatting of the config values for two config values.
hangup pickup chans with no answer if they are the only ones left