feat: selenium 2.47.1, ie driver 2.47.0, chrome 2.18
feat: selenium 2.47.1, ie driver 2.47.0, chrome 2.18

silvenon/selenium-standalone,rocketsue/selenium-standalone,amiablekrishna/selenium-standalone,timminkov/selenium-standalone,DenisGorbachev/selenium-standalone,btelles/selenium-standalone