Make code more robust to bad input (for case where DB was populated with string None)
Don't put all of xmodule_js as src (changes coverage metrics).
Remove unused files, add missing spec file.
Merge pull request #4003 from edx/pmitros/fix-sequential-none

Fix case where DB gets populated with string None
Merge pull request #5464 from edx/christina/js-coverage

Don't put all of xmodule_js as src (changes coverage metrics).
add Solano CI.
Merge PR#3. Solano: Add post worker hook for copying artifacts.
fixed capturing screenshots
adding post worker script
fixing file log error
introduce bok-choy shards, new firefox version
re-shard lms to fix a failing test.
Add quality report capability.