releasing core 3.0.31
releasing squid 3.0.16
Revert useless chown workaround
remove chown workaround for samba
Merge branch '3.0' into 3.2

Conflicts:
	main/core/ChangeLog
	main/core/debian/precise/changelog
	main/samba/ChangeLog
	main/squid/ChangeLog
	main/squid/debian/precise/changelog