Upgrade windshaft to 0.19.2

Fixes obscure "ECONNREFUSED" error message (closes #171)
Change some http status responses to be more appropriate to the case

NEWS.md

@@ -4,6 +4,9 @@
 Enhancements:
 
  - Really skip CDB_TableMetadata lookup for sql affected by no tables (#169)
+ - Upgrade windshaft to 0.19.2, see node_modules/windshaft/NEWS
+ - Clarify obscure "ECONNREFUSED" error message (#171)
+ - Change some http status responses to be more appropriate to the case
 
 1.8.3 -- 2014-02-27
 -------------------

package.json

@@ -24,7 +24,7 @@
     "dependencies": {
         "node-varnish": "http://github.com/Vizzuality/node-varnish/tarball/v0.2.0",
         "underscore"  : "~1.3.3",
-        "windshaft"  : "http://github.com/CartoDB/Windshaft/tarball/0.19.1",
+        "windshaft"  : "http://github.com/CartoDB/Windshaft/tarball/0.19.2",
         "step": "0.0.x",
         "request": "2.9.202",
         "cartodb-redis": "~0.3.0",

test/acceptance/multilayer.js

@@ -493,7 +493,7 @@ suite('multilayer', function() {
           headers: {host: 'localhost', 'Content-Type': 'application/json' },
           data: JSON.stringify(layergroup)
       }, {}, function(res) {
-          assert.equal(res.statusCode, 400, res.body);
+          assert.equal(res.statusCode, 404, res.statusCode + ": " + res.body);
           var parsed = JSON.parse(res.body);
           var msg = parsed.errors[0];
           assert.ok(msg.match(/bogus.*exist/), msg);

test/acceptance/server.js

@@ -134,8 +134,7 @@ suite('server', function() {
             method: 'GET'
         },{
         }, function(res) {
-          // FIXME: should be 401 Unauthorized
-          assert.equal(res.statusCode, 400, res.body);
+          assert.equal(res.statusCode, 401, res.statusCode + ':' + res.body);
           assert.deepEqual(JSON.parse(res.body),
             {error: 'Sorry, you are unauthorized (permission denied)'});
           assert.ok(!res.headers.hasOwnProperty('cache-control'));
@@ -419,7 +418,7 @@ suite('server', function() {
             headers: {host: 'localhost'},
         },{}, function(res) { 
           // FIXME: should be 401 Unauthorized
-          assert.equal(res.statusCode, 500, res.body);
+          assert.equal(res.statusCode, 400, res.body);
           assert.ok(res.body.indexOf('map state cannot be changed by unauthenticated request') != -1, res.body);
           // check that the style wasn't really deleted !
           assert.response(server, {