GitLab

* Add short imagenet tests (taken from seemuch)
- also rename to match go forward naming

* fix method name

* Update doc strings.

* Fixe gpu number.

* Added pass/fail and eager tests

* Add eager multi-gpu test.

* Add imagenet end-to-end accuracy test.

* Comment why ['foo']

* remove development test example.

- kears_cifar_main returns dict of stats after run.
- unit tests added for keras_common.
- lint issues fixed in all 4 files.