fix escapeJavaScript for quotes: double escape the double quote#9

jlongman wants to merge 3 commits intoToQoz:masterToQoz/api-gateway-mapping-template:masterfrom

jlongman:8-double-escape-quotes-in-escapeJavaScriptjlongman/api-gateway-mapping-template:8-double-escape-quotes-in-escapeJavaScriptCopy head branch name to clipboard