ZF-6681: Add CLDR1.7

Description

The new CLDR 1.7 should be added.

They include: * PostalCode * TelephoneCode * Character Substitution & Fallback * Locale Upgrading (LikelySubtag) * BCP47 country info * Interval Format * Units * Transliteration * additional Locale data * new countries * new languages

Comments

Integration of CLDR 1.7 has been finished with r15958. New available features can now be utilized by other components.