Database optimization.
Database optimization for SMTP Logs.
Use "transaction" instead of "group". (GROUP is a reserved keyword in SQL.)
Bug fixing.
Completed, but not tested getSmtpEdgeValidationReport
Began getValidationReport and related methods
Added group to database and related java objects and addNewGroupSmtpLog method.
Bug fix and testing saveSmtpProfile
Added saveSmtpProfile
Bug fix.
