Closes iluwatar#436. Adds criticism to service locator pattern.

Author: dmitraver

service-locator/README.md

@@ -33,6 +33,13 @@ improves the performance of application to great extent.
 * lookups of services are done quite frequently
 * large number of services are being used
 
+## Consequences
+
+* Violates Interface Segregation Principle (ISP) by providing pattern consumers with an access 
+to a number of services that they don't potentially need.
+* Creates hidden dependencies that can break the clients at runtime.
+* Limits object composability by stopping the clients to specify needed dependencies for different objects instantiation.
+
 ## Credits
 
 * [J2EE Design Patterns](http://www.amazon.com/J2EE-Design-Patterns-William-Crawford/dp/0596004273/ref=sr_1_2)