added logo for spec
Merge pull request #8 from whatwg/logo

Created logo for spec
Added use case and reqs for Baud rates (closes #11)
added hardware disconnection use case (closes #6)
Merge pull request #15 from whatwg/use_cases

Started defining use cases
extend ReadableStream + resulting API changes (closes #2)
Making correct use of ReadableStream and WritableStream
Merge branch 'extend_stream' of https://github.com/whatwg/serial into extend_stream

Conflicts:
	index.html