Add support for running under a context path, ie. /bonob, replace BONOB_WEB_ADDRESS with BONOB_URL

web/views/index.eta

@@ -10,7 +10,7 @@
   <% } else { %>
   <h3>No existing service registration</h3>
   <% } %>
-  <form action="/register" method="POST"><button>Re-register</button></form>
+  <form action="<%= it.registerRoute %>" method="POST"><button>Re-register</button></form>
   <h2>Devices</h2>
   <ul>
     <% it.devices.forEach(function(d){ %>