Fix bugs of adding new description

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Fix redirect when rootdn fails to update

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
test of append new description

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>