Delete user alert shown if no user sel. BZ#646396
Delete user alert shown if no user sel. BZ#646396

This patch is fixing BZ#646396.
- When deleting user action is triggered and no user selected javascript will
  popu alert message "please select any user to delete"
- If user select normal confirm box will appear

aeolusproject/conductor,aeolusproject/conductor,aeolusproject/conductor,aeolusproject/conductor