finished tour44

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
finished tour45

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
finished tour46

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
finished tour47

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
finished tour48

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