GitLab

* etc/NEWS: Update wording since Unicode 8.0 is no longer in draft
status.
* test/BidiCharacterTest.txt: Update from Unicode 8.0.
* admin/unidata/BidiMirroring.txt:
* admin/unidata/BidiBrackets.txt:
* admin/unidata/UnicodeData.txt: Update from Unicode 8.0.