[ImgBot] Optimize images

[imgbot[bot]]

Beep boop. Your images are optimized!

Your image file size has been reduced 🎉

Details

File	Before	After	Percent reduction
/int64-node/node_modules/hawk/images/hawk.png	6.78kb	3.41kb	49.68%
/int64-node/node_modules/hawk/images/logo.png	70.05kb	61.60kb	12.06%
/int64-node/node_modules/boom/images/boom.png	28.79kb	25.58kb	11.14%
/int64-node/node_modules/hoek/images/hoek.png	37.05kb	34.24kb	7.57%
/int64-node/node_modules/nodeunit/img/example_pass.png	13.80kb	12.84kb	6.99%
/int64-node/node_modules/nodeunit/img/example_fail.png	37.74kb	35.28kb	6.52%
/int64-node/node_modules/nodeunit/img/example_machineout.png	412.24kb	411.53kb	0.17%
Total :	606.45kb	584.48kb	3.62%

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