Update README.rst
Update README.rst

Fixed link
robotframework/SeleniumLibrary,rtomac/robotframework-selenium2library,robotframework/SeleniumLibrary,rtomac/robotframework-selenium2library,robotframework/SeleniumLibrary,emanlove/robotframework-selenium2library,emanlove/robotframework-selenium2library,rtomac/robotframework-selenium2library,emanlove/robotframework-selenium2library