Update include_code for all_langs case
add getting-started/web-starter-kit/index.markdown to _zh-cn folder
Translate index.markdown under `web-starter-kit` folder into Chinese
Merge pull request #802 from chenxsan/web-starter-kit

Translate index.markdown under `web-starter-kit` folder into Chinese
Update devsite lang config
Merge branch 'master' of https://github.com/google/WebFundamentals

Conflicts:
	src/site/_config-devsite.yml
Add korean better book
Readd all langs to config to fix appspot
Add initial version of flags on articles

Generate list of translated pages.