use new abstract query for postgresql and sqlite

lib/dialects/postgres/query.js

-var Utils = require("../../utils");
+var Utils         = require("../../utils")
+  , AbstractQuery = require('../abstract/query')
 
 module.exports = (function() {
   var Query = function(client, sequelize, callee, options) {
@@ -23,7 +24,7 @@ module.exports = (function() {
       this.options.logging = function(s) { console.log(s) }
     }
   }
-  Utils._.extend(Query.prototype, require("../query").prototype)
+  Utils.inherit(Query, AbstractQuery)
 
   Query.prototype.run = function(sql) {
     var self = this

lib/dialects/query.js

-var Utils = require("../utils")
-
-module.exports = (function() {
-  var Query = function(database, sequelize, callee, options) {
-    throw new Error('Constructor was not overwritten!')
-  }
-  Utils._.extend(Query.prototype, require("../emitters/custom-event-emitter").prototype)
-
-  Query.prototype.run = function(sql) {
-    throw new Error("The run method wasn't overwritten!")
-  }
-
-  Query.prototype.success = Query.prototype.ok = function(fct) {
-    this.on('success', fct)
-    return this
-  }
-
-  Query.prototype.failure = Query.prototype.fail = Query.prototype.error = function(fct) {
-    this.on('error', fct)
-    return this
-  }
-
-  return Query
-})()

lib/dialects/sqlite/query.js

 var Utils         = require("../../utils")
+  , AbstractQuery = require('../abstract/query')
+
 
 module.exports = (function() {
   var Query = function(database, sequelize, callee, options) {
@@ -21,7 +23,7 @@ module.exports = (function() {
       this.options.logging = function(s) { console.log(s) }
     }
   }
-  Utils._.extend(Query.prototype, require("../query").prototype)
+  Utils.inherit(Query, AbstractQuery)
 
   Query.prototype.run = function(sql) {
     var self = this