Fixed RAID.pm to handle mdstat extra output text "(*read-only)"

This fixes the case where mdstat includes some extra information
in the output text which breaks the Zentyal RAID monitoring code.
Closes Issue #748

(cherry picked from billfarrow:fix_raid_mdstat)
Merge branch '3.0' into 3.2

Conflicts:
	main/core/ChangeLog
Added http_allow rule to avoid having to add an explicit rule for proxy event
updated copyrights
Uncomment s4sync group synchronization
updated translations from pootle
releasing samba 4.1.3
remove comments and regroup commands
fixed wrong translations
updated pos from source
Merge branch 'jbahillo/squid-localhost' into 3.2
Merge branch '3.2' into jacalvo/3.2-sp1