GitLab

* Dev nas interface -- document (#1049)

* nas interface doc

* Dev nas compile -- code generator (#1067)

* finish code for parsing mutable_layers annotation and testcode

* Dev nas interface -- update figures (#1070)

 update figs

* update searchspace_generator (#1071)

* GeneralNasInterfaces.md: Fix a typo (#1079)
Signed-off-by: Ce Gao <gaoce@caicloud.io>

* add NAS example and fix bugs (#1083)

update searchspace_generator, add example, update NAS example

* fix bugs (#1108)

* nas example

* fix bugs

* remove

* update

* debug

* fix bug

* remove previous mnist.py

* rename

* code gen for specific trial

* fix conflict

* remove print

* add print warning

* update doc

* update doc

* update doc

* remove comment

* update doc

* remove unnecessary global