Acccess control
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1. Configuration

 * Access control is disabled by default, for activation of the access control,set the value of acEnabled variable in
   gsn.beans.ContainerConfig to true.
 * AC uses the EmailService. Please configure yours in the emails.properties file.
 * Https certificate
  
  Create a X.509 certificate
  Keystor name: servertestkeystore
  certificate name: servertestcer
  store password for keystore in keystore.properties


2. Defalut adminstrator

 username:Admin
 password:changeit