Proto commits in DeepWisdom/AutoDL

These 4 commits are when the Protocol Buffers files have changed:

Commit:78b0014
Author:better629

use relative path and rm repeated code

Commit:a28c814
Author:youngz

reconstruct package, add convertors.

Commit:bc18d87
Author:youngz

Add files for package. Add examples. Add docs.

Commit:7e600dd
Author:youngz

update readme, and upload parts of starting_kit.

The documentation is generated from this commit.