amazon can be slow, increase timeouts

ChangeLog

@@ -1,3 +1,6 @@
+0.2.12 -
+	* amazon can be slow.  increase some timeouts.
+
 0.2.11 -
 	* dns.updateRecord() doesn't fail if no previous record exists
 

lib/ssh.js

@@ -3,7 +3,7 @@ child_process = require('child_process'),
 temp = require('temp'),
 fs = require('fs');
 
-const MAX_TRIES = 20;
+const MAX_TRIES = 40;
 
 exports.copyUpConfig = function(host, config, cb) {
   var tries = 0;