hexconvert only exists for the test harness. Library functions all use BASE64. Don't export it.
Add details for GPG key and Coverity scan.
README formatting
Filehandle leak - uncovered by Coverity
Paranoid checking - uncovered by Coverity
Whitespace fixes
More whitespace
Document v1.19
Merge branch 'master' into cleanups
Remove unexported libscrypt_hexconvert from libscrypt.h
Don't link crypto_scrypt-hexconvert either