Fix remoteservices initial-setup on fresh install

+ On initial setup, do only reload bundle and restart the service
  if the server is registered
Merge pull request #1029 from Zentyal/ejhernandez/rs-initial-setup-fixes

Fix remoteservices initial-setup on fresh install
Be nicer to the user if an error displaying monitoring graphs happened

+ Show save changes message advice only when it applies
+ Do not show internal errors when possible and suggest an advice
  to fix it
Show a retry message
Merge pull request #1037 from Zentyal/ejhernandez/mask-rrd-error-and-advice

Be nicer to the user if an error displaying monitoring graphs happened
Merge branch '3.2' into 3.3

Conflicts:
	main/monitor/ChangeLog
	main/monitor/debian/precise/control
	main/monitor/src/EBox/Monitor/CGI/Index.pm
	main/remoteservices/ChangeLog