tour: make context a full URL

Change-Id: I85cac356768b68aae621c9773d9bae50e54801ef
Reviewed-on: https://go-review.googlesource.com/11771
Reviewed-by: Andrew Gerrand <adg@golang.org>
diff --git a/static/js/directives.js b/static/js/directives.js
index cb44f96..90c45c4 100755
--- a/static/js/directives.js
+++ b/static/js/directives.js
@@ -210,6 +210,7 @@
                 var context = window.location.pathname === '/list'
                     ? '/list'
                     : '/' + scope.params.lessonId + '/' + scope.params.pageNumber;
+	        context = window.location.protocol + '//' + window.location.host + context;
                 var title = i18n.l('issue-title');
                 var body = i18n.l('context') + ': '+ context + '\n\n'+ i18n.l('issue-message');
                 var url = 'https://' + i18n.l('github-repo') + '/issues/new'
@@ -219,4 +220,4 @@
             });
         }
     };
-}]);
\ No newline at end of file
+}]);