Update virtual env setup instructions
Update virtual env setup instructions

mdmintz/SeleniumBase,seleniumbase/SeleniumBase,mdmintz/SeleniumBase,seleniumbase/SeleniumBase,seleniumbase/SeleniumBase,mdmintz/SeleniumBase,mdmintz/seleniumspot,mdmintz/SeleniumBase,mdmintz/seleniumspot,seleniumbase/SeleniumBase