Allow the initial congestion window to be configure to one MTU. Improve the description.
Allow the initial congestion window to be configure
to one MTU. Improve the description.

MFC after: 2 weeks.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase