lib: use strict, fix whitespaces

lib/relations.js

@@ -3,6 +3,8 @@
 // This file is licensed under the MIT License.
 // License text available at https://opensource.org/licenses/MIT
 
+'use strict';
+
 /*!
  * Dependencies
  */
@@ -39,25 +41,25 @@ function RelationMixin() {
  *
  * ```js
  * Book.create(function(err, book) {
- * 
+ *
  *   // Create a chapter instance ready to be saved in the data source.
  *   var chapter = book.chapters.build({name: 'Chapter 1'});
- * 
+ *
  *   // Save the new chapter
  *   chapter.save();
- * 
+ *
  *  // you can also call the Chapter.create method with the `chapters` property
  *  // which will build a chapter instance and save the it in the data source.
  *  book.chapters.create({name: 'Chapter 2'}, function(err, savedChapter) {
  *  // this callback is optional
  *  });
- * 
- *   // Query chapters for the book  
+ *
+ *   // Query chapters for the book
  *   book.chapters(function(err, chapters) {
- *     // all chapters with bookId = book.id 
+ *     // all chapters with bookId = book.id
  *     console.log(chapters);
  *   });
- * 
+ *
  *   book.chapters({where: {name: 'test'}, function(err, chapters) {
  *    // All chapters with bookId = book.id and name = 'test'
  *     console.log(chapters);
@@ -231,4 +233,4 @@ function defineRelationProperty(modelClass, def) {
       return scope;
     }
   });
-}
+}

lib/remote-connector.js

@@ -3,6 +3,8 @@
 // This file is licensed under the MIT License.
 // License text available at https://opensource.org/licenses/MIT
 
+'use strict';
+
 /**
  * Dependencies.
  */