* [presubmit] Enforce language attribute in projectt.yaml to be always set.
* Update documentation, better presubmit check, new project template.
* add docstring to templates.py
* Add example values in the project.yaml template and remove python value for now
* Add "project: c++" to 256 projects
* format
* Add labels and selective_unpack sections to the presubmit check
* fix incorrect auto_ccs format in three projects
* fix nss emails after rebase
* Clean all.sh
Double quote array expansions, otherwise they're like $* and break on spaces.
* Clean dropbear/build.sh
In POSIX sh, 'pushd' is not supported.
In POSIX sh, 'popd' is not supported.
* Clean woff2/build.sh
Iterating over ls output is fragile. Use globs.
* Clean tinyxml2/build.sh
Add shebang
Abhishek Arya