Fix typo in method call

s/displayName/printableName/g
Fix warnings when the port is disabled
Fix uninstallation of webserver

HAproxy was unable to restart until HAProxyServices is regenerated from a RW instance.
Fix when webserver is not listening in HTTP port
Check, at least, a listening port is mandatory
Remove idle and dead code from EBox::Module::Service::writeConfFile
keep rpcproxy cert fiel after downloading it
Update ChangeLog
generate certificate on download request if neccesary
typo fix
fixed rpcproxy downlaod button
rmeove debug
check if outgoing domain is compatible with rpcproxy
typo fixes
fixes related with outgoing domain value
Added permanentMessage to show sogo interface location
Update changelog
Message shown when is provisioned and sogo module is enabled

 - Also added a message when OpenChange module still needs setup
fix case when sogo module not exists

and simplify code
DNS module notifies openchange of changes in configuration