Tidying up home page.

1.  Explaining that we're full for 2015.
2.  Removing schedule (since I never keep the calendar up to date).

_data/navigation.yml

@@ -4,7 +4,5 @@
   url: /curriculum/
 - title: Materials
   url: /materials/
-- title: Schedule
-  url: /schedule/
 - title: License
   url: /license/

index.md

@@ -7,10 +7,12 @@ This site is the home of a training course run by [Software Carpentry][1] that t
 
 You don't need to be an expert programmer to take part: in fact, we prefer instructors who are only two steps ahead of their learners and can still remember what it's like to find programming difficult and confusing. You *do* need to be enthusiastic and willing to volunteer to help teach others what you know, and also willing to abide by our [code of conduct][3].
 
-<p style="text-align: center;">
-  <em><strong>Please complete <a href="http://software-carpentry.org/pages/register.html">this form</a><br /> if you would like to take part in an upcoming training course.</strong></em>
-</p>
-Our Sept-Dec 2014 and Jan-Apr 2015 offerings are now full, but there are spaces available for May-Aug 2015.
+<div align="center">
+Our online courses are full for the remainder of 2015.
+<br/>
+Please complete <a href="http://software-carpentry.org/pages/register.html">this form</a>
+if you would like to be added to the waiting list for 2016.
+</div>
 
 [1]: http://software-carpentry.org
 [2]: http://software-carpentry.org/pages/team.html