Whitespace
Bumped Chrome Platform Analytics to 1.5.2
Fix copyright
Set all webview attr via Element, not JsObject
Add git-salt module.
Half-finished JS version
Merge pull request #3510 from emilycodes/bump-chrome-platform-analytics

Bumped Chrome Platform Analytics to 1.5.2
cleanup
more cleanup.
Merge branch 'master' into git_salt_3
Done rewriting in JS: haven't checked; still use 2-way async export code
Switch HTML to use new JS
Remove Dart implementation
Adjust pubspec.yaml
Fixes
WIP: switching Spark to use JS PD
Move PD parts one level up
More fixes: semi-loads now
More fixes
Move PD parts one level up (reverted from commit e3b17a79eeb3ad27fda3abaf081b72105c462d34)