Merge pull request #130 from nueckman/codestyle-1

codestyle - remove trailing whitespaces

Behavioral/NullObject/LoggerInterface.php

@@ -4,7 +4,7 @@ namespace DesignPatterns\Behavioral\NullObject;
 
 /**
  * LoggerInterface is a contract for logging something
- * 
+ *
  * Key feature: NullLogger MUST inherit from this interface like any other Loggers
  */
 interface LoggerInterface

Behavioral/NullObject/NullLogger.php

@@ -5,7 +5,7 @@ namespace DesignPatterns\Behavioral\NullObject;
 /**
  * Performance concerns : ok there is a call for nothing but we spare an "if is_null"
  * I didn't run a benchmark but I think it's equivalent.
- * 
+ *
  * Key feature : of course this logger MUST implement the same interface (or abstract)
  * like the other loggers.
  */