Merge pull request #130 from nueckman/codestyle-1

codestyle - remove trailing whitespaces

Behavioral/Visitor/RoleVisitorInterface.php

@@ -6,10 +6,10 @@ namespace DesignPatterns\Behavioral\Visitor;
  * Visitor Pattern
  *
  * The contract for the visitor.
- * 
+ *
  * Note 1 : in C++ or java, with method polymorphism based on type-hint, there are many
  * methods visit() with different type for the 'role' parameter.
- * 
+ *
  * Note 2 : the visitor must not choose itself which method to
  * invoke, it is the Visitee that make this decision.
  */
@@ -17,14 +17,14 @@ interface RoleVisitorInterface
 {
     /**
      * Visit a User object
-     * 
+     *
      * @param \DesignPatterns\Behavioral\Visitor\User $role
      */
     public function visitUser(User $role);
 
     /**
      * Visit a Group object
-     * 
+     *
      * @param \DesignPatterns\Behavioral\Visitor\Group $role
      */
     public function visitGroup(Group $role);