[ImgBot] Optimize images

[imgbot[bot]]

Beep boop. Your images are optimized!

Your image file size has been reduced!

Details

File	Before	After	Percent reduction
/MVC/mvc_pattern_uml_diagram.jpg	22.28kb	21.61kb	3.02%
/Visitor/visitor.gif	15.59kb	15.55kb	0.24%
/Abstract Factory/UML class diagram.gif	11.18kb	11.15kb	0.23%
/Observer/observer.gif	8.80kb	8.79kb	0.09%
/Builder/builder.gif	5.01kb	5.00kb	0.08%
/Factory Method/factory.gif	5.47kb	5.47kb	0.07%
/Template Method/template.gif	5.50kb	5.49kb	0.07%
/State/state.gif	4.66kb	4.66kb	0.06%
/Command/command.gif	5.56kb	5.55kb	0.05%
/Singleton/singleton.gif	2.46kb	2.46kb	0.04%
Total :	86.50kb	85.74kb	0.88%

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