added logic to exclude keys that should not be replicated
delete previously non-existent excluded keys

just in case they have been added when restoring the backup
specify credentials when uploading file with curl
clarify DC naming
added more information in zentyal.log

and reuse the same bundle for all the nodes
Added addModuleToPostSave to save modules in post_save

* Unit tested
* Global.t now inherits from Test::Class
Use new addModuleToPostSave global interface
Nginx integration done

* Now it uses UWSGI and a redirection from nginx is done
fix list of modules to replicate in log
Merge branch 'jacalvo/ha-confauth' into jacalvo/ha-excludekeys

Conflicts:
	main/core/ChangeLog
	main/network/ChangeLog
Make REST request work with HTTPS scheme

* Encoding authkey using base64 as Nginx is not working with an array of bytes
s/webAdminPort/port/g in node list
added ha excluded keys
remove wrongly commited swp file
Avoid to save changes in ha module
Added listeningPort alias as sanity check
EBox::WebAdmin::PortObserver to be notified when the port is changed
Use new webadmin observer port interface
Use the new port observer interface

And really use the port from nodelist when doing REST requests
Added script to update cluster conf when offline

Convinient method for professional services