Update migrator logging

lib/migrator.js

@@ -45,9 +45,9 @@ module.exports = (function() {
           }
 
           if (migrations.length === 0) {
-            self.sequelize.log('There are no pending migrations.');
+            self.options.logging('There are no pending migrations.');
           } else {
-            self.sequelize.log('Running migrations...');
+            self.options.logging('Running migrations...');
           }
 
           migrations.forEach(function(migration) {
@@ -55,7 +55,7 @@ module.exports = (function() {
 
             chainer.add(migration, 'execute', [options], {
               before: function(migration) {
-                self.sequelize.log(migration.filename);
+                self.options.logging(migration.filename);
                 migrationTime = process.hrtime();
               },
 
@@ -63,7 +63,7 @@ module.exports = (function() {
                 migrationTime = process.hrtime(migrationTime);
                 migrationTime = Math.round((migrationTime[0] * 1000) + (migrationTime[1] / 1000000));
 
-                self.sequelize.log('Completed in ' + migrationTime + 'ms');
+                self.options.logging('Completed in ' + migrationTime + 'ms');
               },
 
               success: function(migration, callback) {
@@ -194,7 +194,7 @@ module.exports = (function() {
       var addMigration = function(filename) {
         var migration = new Migration(self, filename);
 
-        self.sequelize.log('Adding migration script at ' + filename);
+        self.options.logging('Adding migration script at ' + filename);
 
         chainer.add(migration, 'execute', [{ method: 'up' }], {
           before: function(migration) {