Starts only the XMPP BOT if node is Top Composer

BUG FIX
create con directory if not exists

cohorte-start-node script does not work is conf directory not exists
(tested on raspberry - python 2.7)
supporting multiple transport modes at startup

generating the adequate import-files elements in
herald/java-transport.js and herald/python-transport.js configuration
files
fix terminal input latency bug
Merge branch 'dev' of https://github.com/isandlaTech/cohorte-platforms into dev