SMAdapter: add methods for CAVV/AAV calculation and verification.

 * Implements calculateCAVV and verifyCAVV methods in JCESecurityModule
 * Add jUnit tests for new methods in JCESecurityModule
Merge pull request #63 from demsey/security

SMAdapter: add methods for CAVV/AAV calculation and verification.
Added preliminary PGP support
Fix LogEvent date logging