Merging initial into master
- Always use salt in kipservice_sign/_verify() and removed scrambler from their APIs
- Signatures now have metadata (for application desires such as signature timestamps)
- Resurrected pump up/down demonstration commandline program
- Final values for KIP_KEYUSAGE_ after discussion with MIT krb5 support
- PKCS11 documentation
- Code modularity improvements
- Fixes to com_err logic
- DER SASL will be called Quick SASL