upgrade node-pre-gyp usage

binding.gyp

@@ -2,8 +2,8 @@
   "includes": [ "deps/common-sqlite.gypi" ],
   "variables": {
       "sqlite%":"internal",
-      "module_name":"node_sqlite3",
-      "module_path":"./lib/"
+      "module_name":"<!(node -e \"console.log(require('./package.json').binary.module_name)\")",
+      "module_path":"<!(node -e \"console.log(require('./package.json').binary.module_path)\")",
   },
   "targets": [
     {

lib/sqlite3.js

-var binding = require('./node_sqlite3.node');
-var sqlite3 = module.exports = exports = binding;
 var path = require('path');
+var pkg = require('../package.json');
+var assert = require('assert');
+var module_path = path.join(
+     path.relative(__dirname,pkg.binary.module_path),
+     pkg.binary.module_name + '.node');
+var binding = require('./'+module_path);
+var sqlite3 = module.exports = exports = binding;
 var util = require('util');
 var EventEmitter = require('events').EventEmitter;
 

package.json

@@ -9,7 +9,7 @@
     },
     "binary": {
         "module_name": "node_sqlite3",
-        "module_path": "./lib",
+        "module_path": "./lib/binding/",
         "remote_uri": "http://node-sqlite3.s3.amazonaws.com",
         "template": "{configuration}/{module_name}-v{version}-{node_abi}-{platform}-{arch}.tar.gz"
     },
@@ -35,7 +35,7 @@
         "url": "git://github.com/mapbox/node-sqlite3.git"
     },
     "dependencies": {
-        "node-pre-gyp": "~0.2.5"
+        "node-pre-gyp": "https://github.com/springmeyer/node-pre-gyp/tarball/master"
     },
     "bundledDependencies": [
         "node-pre-gyp"