* Remove stale files, add README, correct XCCS-164 JIS
* Remake UNICODE-FORMATS to be sure it reflects current files
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Co-authored-by: Matt Heffron <heffron@alumni.caltech.edu>
* New starter.sysout contains the UTF-8 external format
* Init.sysout is created with the UTF-8 external format
* Files with non-ascii characters and some other files converted to UTF-8, for basic testing
* Environment arg of WITH-READER-ENVIRONMENT can be a stream
* Compiler functions now respect the external format as copied from the source file
* Colon is the package delimiter in DEFINE-FILE-INFO expressions
* UNICODE file is deprecated in favor of UNICODE-FORMATS and UNICODE-TABLES
