Include pages in the menu only on request

_config.yml

@@ -25,7 +25,7 @@ defaults:
       path: ""
     values:
       layout: "page"
-      menu: true
+      menu: false
       menu_order: 9
   -
     scope:

advert.md

 ---
 title: Job Announcements
+menu: true
 menu_order: 10
 ---
 

feed.xml

 ---
 layout: null
-menu: false
 ---
 <?xml version="1.0" encoding="UTF-8"?>
 <rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">

index.md

 ---
 title: Home
+menu: true
 menu_order: 1
 ---
 
-[BLURB ON CONCURRENCY]
\ No newline at end of file
+[BLURB ON CONCURRENCY]

people.html

 ---
 title: People
+menu: true
 menu_order: 2
 permalink: /people/
 ---

publications/index.html

 ---
 title: Publications
 dataspy: "#sidenav"
+menu: true
 ---
 <div class="row stickyrow">
   <div class="col-sm-9">