mysql-test/include/ctype_unicode_latin.inc
  mysql-test/r/ctype_uca.result
  mysql-test/r/ctype_utf16_uca.result
  mysql-test/r/ctype_utf32_uca.result
  mysql-test/t/ctype_uca.test
  mysql-test/t/ctype_utf16_uca.test
  mysql-test/t/ctype_utf32_uca.test
  mysql-test/r/ctype_utf8mb4_uca.result
  mysql-test/t/ctype_utf8mb4_uca.test
  - Adding tests

  mysys/charset-def.c
  - Adding initialization of the new collations

  strings/ctype-uca.c
  - Adding tailoring for Croatian
  - Fixing a problem in my_uca_scanner_next_ucs2:
    UCS2 did not work with non-ASCII contraction in some cases.
    (a bug in WL#2673 Unicode collation algorithm new version)
  - Fixing a problem with '=' tailoring command.
    Before the fix, '=' erroneously changed current offset
    back to the reset character specified in the last & command.
    After the fix, '=' repeats the preivous offset.
  - Adding defitions for xxx_croatian_ci collations.
  - Adding tests for UCA collations for utf8mb4