new pgSMB plugin and event triggered LocaleMachine user cleanup

3.1.6.2 BETA (2013/03/13)

• bug fixing only

3.1.6.1 BETA (2013/01/08)

• bugfix free memory (#146)
• finally Fix session cache bug related to CredUI login (#153).
• added plugin pgSMB
  changed LocaleMachine plugin cleanup be triggered by Events
  preventing a system shutdown while cleanupjobs are running
  Make userprofile cleanup depended on the comment of the userprofile field
• A Message will be displayed during logon