Fix for issue 139, adding unified line endings to all EBB commands

[EmbeddedMan]

This PR implements the code changes to allow for unified line endings and reply packet formats, as well as the documentation changes necessary to document this change in ebb.html. The changes are discussed in issue #139

[oskay]

I've put my changes in a branch: https://github.com/evil-mad/EggBot/tree/139_docs_who