You still need to install virtualenvwrapper on linux systems
Let virtualenv wrapper handle mundane stuff...

... there's a reason you installed it
Added instructions for Windows

We're making the terrible assumption that Windows users already have virtualenv and virtualenvwrapper installed, an assumption we didn't make with *nix users.
Added instructions for sourcing virtualenvwrapper from .bashrc
Merge pull request #3 from citruspi/virtualenv-cleanup

VirtualEnv Cleanup