Js Test Versions Save

• fix(grading): display evaluation progress in standard output (stderr) while reports (stdout) are redirected to a file (3943aa3)
• fix(grading): clean previous scores on npm run eval + render score chart (d21c54c)
• feat(grading): add npm run render-score-chart script (35d42df)
• feat(firebase): script to initialize a firebase project (0a0d408)

• feat: add npm run release script to ease versionning (#64) (bc5ace3)

... in extract-student-submissions-from-spreadsheet-json.js

See https://github.com/adrienjoly/js-test/commit/8c037f17f5f950b1344c215514caf6e53e786cc8 for more info.

• feat: add script to convert json file from google spreadsheet to /students/*.json submission files
• fix: prevent getting more than one eval file per student
• fix: make it clearer that teacher should fix their tests in case of uncaught error when evaluating student's code
• feat: provide example of user variable available in template

• feat: display Google Sign-in button only if GOOGLE_CLIENT_ID is provided
• feat: include full URL of UI in stdout
• fix: only display copy id, if student is anonymous
• fix: remove greeting, because student name is not known with "email-submit" back-end
• fix: don't ignore /students (useful to keep student answers in privat… …
• doc: rephrase comment about md-html empty div
• doc: mention "email-submit" back-end type in sample exam-config
• feat: render stats from eval-student-submissions.sh
• chore: update package-lock.json

• add _trackUncaughtRejections() and _getUncaughtRejections() API methods to intercept uncaught promise rejections from sandboxed code evaluation
• re-enable timeout for sandboxed code evaluation with new API methods to update it: _setTimeoutDelay() and _setTimeoutMessage()

• feat(eval): safe/sandboxed execution of student code thanks to docker
• feat(eval): provide _xhr() method to make http calls from student code => BREAKING CHANGE: evaluator will not timeout anymore => _setTimeoutMessage() is removed
• fix: log parsing status to stderr instead of stdout
• fix: include runtime errors (e.g. uncaught promise rejections) in logs
• fix: prevent invalid characters in student output files