v5.30.2

artly revert UTF-8 records returned by yaz-ztest (introduced in 5.30.0)
Fixes pazpar2 tests that relies on specific records being returned.

Increase a few buffers due to compiler warning
Buffers are involving %d-conversions.

No build directories in installed yaz-config
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=955501

Various spell fixes for documentation.