Updates ICU collation with changes that will be in ICU 54, taken from
http://bugs.icu-project.org/trac/changeset/35762 and
http://bugs.icu-project.org/trac/changeset/35766.
This patch supports all collation-related keywords in Collator::createInstance()

Change-Id: I7781e9ef2b556ff6e2b65b4559fe0c773ab4183b
10 files changed