Restart only when needed HA daemons

+ Fixes on disabling the module
+ Send restartUI flag to restart service when restarting a module from the UI
+ Added flag to notify when an ifup is set

New HA test suite pushed:

	Zentyal High Availability
		InstallNonProfilePackages: OK
		InstallNonProfilePackages2: OK
		InitClusterConf: OK
		EnableModule: OK
		SetDHCPRange: OK
		GetClusterSecret: OK
		JoinCluster: OK
		EnableModule2: OK
		SetFloatingIP: OK
		SaveChanges: OK
		CheckFloatingIP: OK
		EnableDHCPModule: OK
		EnableDHCPModule2: OK
		CheckIPCollisions: OK
		CheckHAStatus: OK
		CheckHAStatus: OK
		TestDHCPRunning: OK
		TestDHCPNotRunning: OK
		PromoteHAServer: OK
		TestDHCPRunning2: OK
		TestDHCPNotRunning2: OK
		DemoteHAServer: OK
		TestDHCPRunning3: OK
		TestDHCPNotRunning3: OK
		ChangeAdminPort: OK
		SaveChangesAdminPort: OK
		CheckNodePortChange: OK
		TestDeleteDefaultAccessRule: OK
		TestCreateProfile: OK
		TestProfileReplicated: OK
		TestCreateProfile2: OK
		TestProfileReplicated2: OK
		check-zentyal-log: OK
		check-syslog-apparmor: OK
		check-zentyal-log: OK
		check-syslog-apparmor: OK