Last-minute SFP additions to catch some exceptions.

Last-minute SFP additions to catch some exceptions. Still have more to go, but they can wait, since it'd be from user error.

Create v1.0 branch from openflow-1.3 branch

Try to merge OF1.3 code into master branch perferring the OF1.3 code (-s ours)

Updated readme to be a bit more informative.

Fixed typos in readme.

I don't know how this managed to stay, since I removed it in a prior pull request.

Last minute optimizations.

Remove circuitpusher's circuits file.

Removed commits.log.

OF1.3 branch bug fixes and unit tests

Added support for features request message via the REST API. Changed the case of some JSON keys to camel.