Log Message:
Changes 50.1:
* Unicode 6.2: Turkish Lira Sign, improved word & line segmentation \ 
(BreakIterator) for symbols
* CLDR 22.1: Data coverage & quality improved across all major languages; \ 
new short width type for weekday names; new zhuyin (Bopomofo) collation for \ 
Chinese; improved data for CompactDecimalFormat & RBNF
* Time zone data: 2012h
* Ordinal-number support in MessageFormat & PluralRules
* Deprecate setLocale(locale) in PluralFormat
* Dictionary-based break iterators (word segmentation):
* Support Chinese & Japanese, use more compact dictionary format, port all \ 
but Khmer support to Java
* Update Khmer dictionary
* Change Java util.ListFormat to text.ListFormatter and other updates, use CLDR \ 
data, port to C++
* Add updated IBM-eucJP and IBM-5233 converter
* Improve number formatting performance
* C++ GenderInfo: Effective combined gender of a list of people's genders \ 
(ported from Java)
* Thread safety support cannot be removed (see the Readme)
* Default compilers: Clang is now used if available (see the Readme)
* C++ Collator API cleanup, subclassing-API-breaking changes (see the Readme)
* Add option to genrb tool for writing java resource bundle files
* Time zone format APIs