change IWebDriver dependency to ISearchContext#13

RonAssaf wants to merge 2 commits intoDotNetSeleniumTools:masterDotNetSeleniumTools/DotNetSeleniumExtras:masterfrom

RonAssaf:feature/resolved-coupled-to-IWebDriverRonAssaf/DotNetSeleniumExtras:feature/resolved-coupled-to-IWebDriverCopy head branch name to clipboard