GitLab

Updated documentation. Command for exporting model checkpoint to frozen graph.

Correct documentation so all commands should be run from the root
of the git directory.

from Google internal link

For details see our paper:
"Speed/accuracy trade-offs for modern convolutional object detectors."
Huang J, Rathod V, Sun C, Zhu M, Korattikara A, Fathi A, Fischer I,
Wojna Z, Song Y, Guadarrama S, Murphy K, CVPR 2017
https://arxiv.org/abs/1611.10012