Merge pull request #1 from cewing/master

pull updates to fork
update installation docs in README to be correct about which version of buildout is being used and what that means for setuptools installations.
update wordings and rephrase to fit course structure
updates
add readings about lower-level protocols to help clarify socket family, type and protocol information.
add function that prints out address constants from the socket lib.
add a few more utility methods.
* update session 01, add a few slides.  Will pull out a few later to balance and maintain the 3-hour profile
update string formmatting
update session 1 slides to fit 3-hour and to remove server exercise so it can be homework
set up first week assignment w/ tests
convert to pluggable log buffer
fix typos
remove answers from master branch for session 01
further comment
canonical base echo server as starting point for http server exercise
create a simple client we can use both for testing and for the presentation demos
fix test names for pep8 compliance
needs a newline
tests to run during class as we build the http server