of1.0, of1.2, of1.3: Modify the default of max_len in OFPActionOutput

The new default will send a packet to a controller.

Signed-off-by: Satoshi Kobayashi <satoshi-k@stratosphere.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>