Prerouting rules have no iaccept chain, use ACCEPT target
Postrouting rules have no oaccept chain, use ACCEPT target
Merge pull request #484 from Zentyal/ejhernandez/fw-help

Use ACCEPT target on nat table
Remove FirewallObserver inheritance as it is not used

It gives some problems if fw helper is not defined in some core parts.
Merge pull request #485 from Zentyal/ejhernandez/radius-not-fw-helper

Remove FirewallObserver inheritance as it is not used
Fix dulicated entries generated by the LogHelper

TODO: Update unit tests
Update unit test for Squid LogHelper
Typo fix in the ChangeLog
Mark logs as changed when an access rule is added, updated or deleted
Fixed bad arguments in  EBox::CGI::Controller::Composite call to SUPER::new
Merge pull request #490 from Zentyal/jag/3.0-composite-controller-constructor-fix

3.0 Fixed bad arguments in  EBox::CGI::Controller::Composite call to SUPER::new
Fixed code typo in slave setup
Merge pull request #497 from Zentyal/jag/users-slave-setup-fix

Jag/users slave setup fix
Merge pull request #488 from Zentyal/rduran/fix-squid-loghelper

Rduran/fix squid loghelper
Merge branch '3.0'

Conflicts:
	main/core/ChangeLog
	main/ipsec/ChangeLog
	main/radius/ChangeLog
	main/radius/src/EBox/Radius.pm
	main/squid/ChangeLog
	main/users/ChangeLog