+ Explicitly set firewall version dependency in control file
some debian/control syntax style fixes

and delete duplicated HEAD
releasing objects 3.0.2
releasing services 3.0.4
Merge pull request #466 from Zentyal/ejhernandez/fw-dep-control

Explicitly set firewall version dependency in control file
Removed dkim_verification obsolete option from the local conf
Merge pull request #470 from Zentyal/jjgarcia/removing-obsolete-mailfilter-option

Removed dkim_verification obsolete option from the local conf in mailfilter
Check backup integrity by listing the tar file

Throw InvalidData exception if the tar is corrupted
Send the checksum of the conf backup when pushing

To check its integrity on server side
Retrying when a corruption is found in conf backup

Retry making the automatic configuration backup if the conf backup process
produced a corrupted backup
Merge branch 'ejhernandez/check-backup-integrity' into 3.0

Conflicts:
	main/remoteservices/ChangeLog
Merge branch '3.0'

Conflicts:
	main/antivirus/ChangeLog
	main/antivirus/debian/precise/control
	main/captiveportal/ChangeLog
	main/captiveportal/debian/precise/control
	main/core/ChangeLog
	main/dns/debian/precise/control
	main/ips/debian/precise/control
	main/ipsec/ChangeLog
	main/ipsec/debian/precise/control
	main/mail/ChangeLog
	main/mail/debian/precise/control
	main/mailfilter/ChangeLog
	main/mailfilter/debian/precise/control
	main/objects/debian/precise/changelog
	main/openvpn/ChangeLog
	main/openvpn/debian/precise/control
	main/remoteservices/ChangeLog
	main/remoteservices/debian/precise/control
	main/samba/ChangeLog
	main/samba/debian/precise/control
	main/services/debian/precise/changelog
	main/squid/ChangeLog
	main/squid/debian/precise/control