* c2c6460 prosody: fix cross-domain WS default value
* 8261f72 jicofo,jigase: add ability to extend the config file
* 6a4887d web: use env variables to set worker processes and connections
* 5679578 prosody: add env var to config cross domain settings
* effb30b prosody: always rebuild configs on start
* 905d431 jicofo,jigasi: always rebuild configs on start
* c52b64a misc: working on latest