Unicode 10.0 character table support

[cocobean]

This Haiku operating system locale/Unicode enhancement is to support the font handling and display of the 136,690 characters used by Unicode 10.0. This is in relation to ICU 61.

Ref: ​https://github.com/haikuports/haikuports/issues/2598 Test example: ​https://unicode-table.com/en/

Benefits to Haiku developers and users:

    Masaram Gondi, used to write Gondi in Central and Southeast India
    Nüshu, used by women in China to write poetry and other discourses until the late twentieth century
    Soyombo and Zanabazar Square, used in historic Buddhist texts to write Sanskrit, Tibetan, and Mongolian
    Syriac letters used for writing Suriyani Malayalam, also known as Garshuni and as Syriac Malayalam
    Gujarati signs used for the transliteration of the Arabic script into Gujarati by Ismaili Khoja communities
    A set of 285 Hentaigana characters used in Japan (historic variants of Hiragana characters)
    CJK Extension F (7,473 Han characters)

Important symbol additions include:

    Bitcoin sign
    56 emoji characters (full list)
    A set of Typicon marks and symbols

[cocobean]

This was tested per:

ICU 61.1

---

Successfully Tested: ICU 61.1 on Haiku x86_64 hrev51971

ALL TESTS SUMMARY:
All tests OK:  testdata intltest iotest cintltst
make[1]: Leaving directory '/boot/home/icu/source/test'
make[1]: Entering directory '/boot/home/icu/source'
verifying that icu-config --selfcheck can operate
verifying that make -f Makefile.inc selfcheck can operate
PASS: config selfcheck OK

Close ticket at your discretion.

[cocobean]

Unicode 11.0 support - total of 137,374 characters.

Successfully Tested: ICU 63.2 on Haiku x86_64 hrev54302 x86_64

ALL TESTS SUMMARY:
All tests OK:  testdata intltest iotest cintltst

​https://github.com/haikuports/haikuports/pull/5097