Newlib 2.2.0 is released

[Jeff Johnston]

The latest snapshot is on the ftp-site.

As always, thanks to Corinna who handled the majority of issues on the mailing list and thanks to those who 
contributed/reviewed patches.

*** Major changes in newlib version 2.2.0:

- multiple functional/performance enhancements for arm/aarch64
- new nano formatted I/O support
- replacement of or16/or32 with or1k platform
- qsort_r support
- additional long double math routines
- ito/utoa/ltoa
- restructuring of gmtime/localtime so tz functions only linked by localtime
- unlocked I/O functions
- various warning clean-ups


Regards,

-- Jeff J.