Properly implemented resnet50 and resnet101

The resnet50 and 101 models available on TF keras has bias terms after every convolutional layers. It shouldn't

https://github.com/tensorflow/tensorflow/issues/37365

This MR implement both properly

added 8 commits

• a7f95efc...5a8c7061 - 7 commits from branch master
• feff4f40 - Properly implemented resnet50 and resnet101

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added 1 commit

• 750171bb - Fixed some bugs

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added 1 commit

• 324a941d - Flake shit

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merged

mentioned in commit 4f80284c

mentioned in issue bob#269 (closed)