remove ryu.cmd.ofa_neutron_agent from console_scripts in setup.cfg

unnecessary because neutron's setup.py creates the script for us.

Reviewed-by: YAMAMOTO Takashi <yamamoto@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
sw test tool: Rename STATE_INIT to STATE_INIT_FLOW

And rename _test_initialize() to _test_initialize_flow().
sw test tool: Add support for initialization of meter tables
sw test tool: Add support for installation of meter entries
sw test tool: Add support for confirmation of installed meter entries
sw test tool: Enable parsing OFPMeterMod messages in 'prerequisite'
sw test tool: Enable parsing a new 'ingress' format

The format is for sending packets continuously.
sw test tool: Add support for sending packets continuously
sw test tool: Refactor packet sending processes

Methods of STATE_FLOW_MATCH_CHK and STATE_UNMATCH_PACKET_SEND have similar processes that send a packet.
This patch refactors this redundancy.
sw test tool: Rename STATE_UNMATCH_PKT_SEND to STATE_SEND_BARRIER

And rename _test_unmatch_packet_send() to _test_send_barrier().
sw test tool: Enable sending packets continuously