Adding a wrapper script to call the mixed content report. This can be called from travis or a rake file

Author: glenrobson

check_mixedcontent.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+echo "Running mixed content report"
+# e.g. arg could be _site for a jekyll site
+find $1 -name "*.html" | xargs phantomjs scripts/report-mixed-content.js ;
+echo "report finsihed."