dont try to add two times the same mail when creating a group alias
fixed changelog

Conflicts:
	main/mail/ChangeLog
Added and used checkMailNotInUse method

Conflicts:
	main/mail/ChangeLog
	main/users/ChangeLog
removed extra blank lines
check mail also in edit user form

Conflicts:
	main/users/src/EBox/Users/LdapObject.pm
undo bad typos
check also couriermailias to see if a address is not in use
better error for checkMailNotInUse
added missing  printableType methods
better mail in use error message for alias
added documentation for checkMailNotInUse

Conflicts:
	main/mail/src/EBox/Mail.pm
Regenerate captiveportal rules in daemon startup if needed
fix typo
fixed bad merge
releasing antivirus 3.3.1
releasing captiveportal 3.3.1
releasing common 3.3.2
releasing core 3.3.5
releasing dns 3.3.1
releasing firewall 3.3.2