Don't attempt to reconnect to the db when we're dying.

lib/db/index.js

@@ -49,8 +49,10 @@ function connect() {
 db.connect = (function() {
   var connection
   var queue = []
+  var goingDown = false
 
   lifecycle.observe(function() {
+    goingDown = true
     if (connection) {
       return connection.close()
     }
@@ -65,7 +67,9 @@ db.connect = (function() {
           log.warn('Connection closed')
           connection = null
           conn.removeListener('close', closeListener)
-          createConnection()
+          if (!goingDown) {
+            createConnection()
+          }
         })
 
         queue.splice(0).forEach(function(resolver) {