Autodetect target mapnik version and let config override it

Closes #40

config/environments/development.js.example

@@ -19,6 +19,7 @@ var config = {
         */
         simplify: true
     }
+    ,mapnik_version: '2.0.2'
     ,millstone: {
         cache_basedir: '/tmp/cdb-tiler-dev/millstone-dev'
     }

config/environments/production.js.example

@@ -13,6 +13,7 @@ var config = {
         extent: "-20005048.4188,-20005048.4188,20005048.4188,20005048.4188",
         simplify: true
     }
+    ,mapnik_version: '2.0.2'
     ,millstone: {
         cache_basedir: '/home/ubuntu/tile_assets/'
     }

config/environments/staging.js.example

@@ -13,6 +13,7 @@ var config = {
         extent: "-20005048.4188,-20005048.4188,20005048.4188,20005048.4188",
         simplify: true
     }
+    ,mapnik_version: '2.0.2'
     ,millstone: {
         cache_basedir: '/home/ubuntu/tile_assets/'
     }

config/environments/test.js.example

@@ -14,6 +14,7 @@ var config = {
         extent: "-20005048.4188,-20005048.4188,20005048.4188,20005048.4188",
         simplify: true
     }
+    ,mapnik_version: '2.0.2'
     ,millstone: {
         cache_basedir: '/tmp/cdb-tiler-test/millstone'
     }

lib/cartodb/server_options.js

@@ -1,14 +1,17 @@
 var   _          = require('underscore')
     , Step       = require('step')
     , cartoData  = require('./carto_data')
-    , Cache = require('./cache_validator');
+    , Cache = require('./cache_validator')
+    , mapnik     = require('mapnik')
+  ;
 
 module.exports = function(){
     var me = {
         base_url: '/tiles/:table',
         grainstore: {
           datasource: global.environment.postgres,
-          cachedir: global.environment.millstone.cache_basedir
+          cachedir: global.environment.millstone.cache_basedir,
+          mapnik_version: global.environment.mapnik_version || mapnik.versions.mapnik
         },
         redis: global.environment.redis,
         enable_cors: global.environment.enable_cors,

npm-shrinkwrap.json

@@ -1,9 +1,10 @@
 {
   "name": "windshaft-cartodb",
-  "version": "0.2.0-dev",
+  "version": "1.0.0",
   "dependencies": {
     "cluster2": {
-      "version": "0.3.5",
+      "version": "0.3.5-cdb01",
+      "from": "git://github.com/CartoDB/cluster2.git#28cde11",
       "dependencies": {
         "express": {
           "version": "2.5.11",
@@ -299,9 +300,6 @@
           "version": "0.3.3-dev",
           "from": "git://github.com/Vizzuality/tilelive-mapnik.git#7df70554",
           "dependencies": {
-            "mapnik": {
-              "version": "0.7.14"
-            },
             "eio": {
               "version": "0.1.0"
             },
@@ -327,6 +325,9 @@
     "request": {
       "version": "2.9.202"
     },
+    "mapnik": {
+      "version": "0.7.14"
+    },
     "mocha": {
       "version": "1.2.1",
       "dependencies": {

package.json

@@ -27,7 +27,8 @@
         "generic-pool": "1.0.x",
         "redis": "0.7.2",
         "hiredis": "~0.1.14",
-        "request": "2.9.202"
+        "request": "2.9.202",
+        "mapnik": "~0.7.14"
     },
     "devDependencies": {
         "mocha": "1.2.1"