allow definition of sqlite storage

lib/dialects/sqlite/connector-manager.js

@@ -5,7 +5,7 @@ var Utils   = require("../../utils")
 module.exports = (function() {
   var ConnectorManager = function(sequelize, config) {
     this.sequelize = sequelize
-    this.database  = new sqlite3.Database(':memory:')
+    this.database  = new sqlite3.Database(sequelize.options.storage || ':memory:')
   }
   Utils._.extend(ConnectorManager.prototype, require("../connector-manager").prototype)