Updated README for Spring 2013
Merge branch 'master' of github.com:igutekunst/6.115-Toolchain
Merge pull request #2 from igutekunst/python_3

Preliminary compatibility and updates for Spring 2013.
Update README.markdown
Reformat imports to comply with PEP-8, cleaned argparser code
Reorganize code to group function definitions and improve
readability. Remove replicated code and reduced number of
variables. Add port.close and sys.exit if Minmon is unresponsive.
Merge pull request #3 from omalley1/master

Merged. I will maintain a separate python3.x branch
Updated prog8051 to have a shebang that runs with correct python