opensips: allow to replace invalid dialog rejection with `fix_route_dialog()`
Update changelog for 0.0.136 release
Node.js: 0.8.22
Update changelog for 0.0.137 release
opensips: catch errors

Trying to figure out why ccnq3_opensips keeps crashing, apparently when sending messages to opensips.
doc: add header to make file look nicer when processed
opensips: `dst_domain` avp is not used (esp. not set) anywhere.
Update changelog for 0.0.138 release
opensips: avoid setting a value to null

This results in extraneous syslog messages.
opensips: added `ignore_static_endpoints` option
Check for disabled endpoint _after_ it is fully resolved.
Move rate_limit code out of authentication and to its proper place.
No Device Left Behind: ignore broken REGISTER

AllWorkx is known to submit authenticated REGISTER messages with a To-tag copied over from the responses to the non-authenticated REGISTER message.