Fixed bonfire to not overwrite user entry point but still allow user error by not defining entry point, create web form to give challenge json back, improved layout of bonfire even more

public/css/main.less

@@ -579,7 +579,16 @@ form.code span {
   font-family: "Ubuntu Mono";
   padding-bottom: 0px;
   margin-bottom: 0px;
-  height: auto;
+  height: 100%;
+}
+
+.CodeMirror-linenumber {
+  font-size: 18px;
+  font-family: "Ubuntu Mono";
+}
+
+#mainEditorPanel {
+  height: 100%;
 }
 
 .big-error-icon {
@@ -606,13 +615,15 @@ form.code span {
 }
 
 div.CodeMirror-scroll {
-  padding-bottom: 100px;
+  padding-bottom: 40px;
 }
 
 .test-vertical-center {
   margin-top: 15px;
 }
 
+
+
 //uncomment this to see the dimensions of all elements outlined in red
 //* {
 //  border-color: red;