updated gitignore to exclude vim working files and virtualenv
Added setup instructions for smap
Added setup instructions for smap
removed smap from requirements.txt
isolated requirement files to OSX alone
cleaned up osx requirements and added pyopenssl to all requirements
updated readme to reflect python osx requirements
Merge pull request #4 from SoftwareDefinedBuildings/anthony/setup_and_new_driver

Added documentation for smap installation