Update CLDR to v27

+ A bunch of fixes in the locale data
+ New scripts from Unicode 7.0
+ New locales
- Some locales disappeared (aa_DJ, aa_ER, st_LS, ss_SZ, swc_CD, tn_BW)
- Some locales lost their contents (i.e. en_Dsrt_US)

[ChangeLog][QtCore] QLocale data updated to CLDR v.27

Change-Id: Iba8c7884f8087e577cbb25a8fc106dd7bd3ebb5d
Reviewed-by: Lars Knoll <lars.knoll@digia.com>