mysql56: update to 5.6.21

Signed-off-by: Takuya ASADA <syuu@cloudius-systems.com>
Signed-off-by: Nadav Har'El <nyh@cloudius-systems.com>
redis-memonly: update to 3.0.0-rc1

Signed-off-by: Takuya ASADA <syuu@cloudius-systems.com>
Signed-off-by: Nadav Har'El <nyh@cloudius-systems.com>
node: update to 0.10.33

Signed-off-by: Takuya ASADA <syuu@cloudius-systems.com>
Signed-off-by: Nadav Har'El <nyh@cloudius-systems.com>