trafficserver: added component
apache-frontend: replace squid by apache traffic server for caching

apache-frontend: ats: add basic cache configuration

XXX RAM (1G) and disk (8G) cache size Should not be hardcoded

apache-frontend: ats: mark in header status of request in ats

apache-frontend: remove squid
apache-frontend: group monitoring sections, add cache stats
monitor: Change password process to be stored individually

No more default password, it is to be set on first connection
Thanks Julien Muchembled for providing crypt function
monitor: improve settings.cgi reliability
monitor: status.cgi do not fail if json status file is missing