Update README.rst (#1408)
Update README.rst (#1408)

More links to HTTPS
emanlove/robotframework-selenium2library,emanlove/robotframework-selenium2library,emanlove/robotframework-selenium2library,rtomac/robotframework-selenium2library,robotframework/SeleniumLibrary,rtomac/robotframework-selenium2library,rtomac/robotframework-selenium2library,robotframework/SeleniumLibrary,robotframework/SeleniumLibrary