Implement custom HTML placement (#78)

src/views/login.pug

@@ -17,4 +17,5 @@ block content
     .field
       .control
         input.button.is-primary(type='submit' value=lang('LOGIN_BUTTON'))
-          
+  if _CC.config.customHtml.login
+    div!= _CC.config.customHtml.login

src/views/wishlists.pug

@@ -44,6 +44,9 @@ block content
       display: inline-block;
     }
 
+  if _CC.config.customHtml.wishlists
+    div!= _CC.config.customHtml.wishlists
+
   ul.noStyle.noLeftMargin
     if req.user._id !== '_CCUNKNOWN'
       li