Add Note field to user traits; Enforce max length restrictions on email, firstname, lastname, and note fields

salt/common/tools/sbin/so-user

@@ -101,6 +101,9 @@ function validatePassword() {
   if [[ $len -lt 6 ]]; then
     fail "Password does not meet the minimum requirements"
   fi
+  if [[ $len -gt 72 ]]; then
+    fail "Password is too long (max: 72)"
+  fi
   check_password_and_exit "$password"
 }