Merge branch 'master' into one-redis-mpool

package.json

@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "windshaft-cartodb",
-    "version": "1.18.1",
+    "version": "1.19.1",
     "description": "A map tile server for CartoDB",
     "keywords": [
       "cartodb"
@@ -25,7 +25,7 @@
         "node-varnish": "https://github.com/Vizzuality/node-varnish/tarball/0.3.0",
         "underscore"  : "~1.6.0",
         "dot": "~1.0.2",
-        "windshaft": "https://github.com/CartoDB/Windshaft/tarball/0.28.0",
+        "windshaft": "https://github.com/CartoDB/Windshaft/tarball/0.28.2",
         "step": "~0.0.5",
         "request": "~2.9.203",
         "cartodb-redis": "https://github.com/CartoDB/node-cartodb-redis/tarball/0.11.0",
@@ -43,5 +43,9 @@
     },
     "scripts": {
         "test": "make check"
+    },
+    "engines": {
+        "node": ">=0.8 <0.11",
+        "npm": ">=1.2.1"
     }
 }