Revert changes for vgg16 fc6. Essentially the same.
Revert changes for vgg16 fc6. Essentially the same.

lbin/nexar-2,junranhe/tf-faster-rcnn,kukuruza/tf-faster-rcnn,shuang1330/tf-faster-rcnn,shuang1330/tf-faster-rcnn,endernewton/tf-faster-rcnn,shuang1330/tf-faster-rcnn,endernewton/tf-faster-rcnn,endernewton/tf-faster-rcnn,lbin/nexar-2,junranhe/tf-faster-rcnn,kukuruza/tf-faster-rcnn,shuang1330/tf-faster-rcnn,lbin/nexar-2,junranhe/tf-faster-rcnn,junranhe/tf-faster-rcnn,kukuruza/tf-faster-rcnn,kukuruza/tf-faster-rcnn,lbin/nexar-2,endernewton/tf-faster-rcnn