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'