Adding esperanto collation


strings/ctype-uca.c:
  Adding esperanto collation
mysys/charset-def.c:
  Adding esperanto collation
mysql-test/t/ctype_uca.test:
  Adding esperanto collation
mysql-test/r/ctype_uca.result:
  Adding esperanto collation
config/ac-macros/character_sets.m4:
  Adding esperanto collation