Add hooks to change tracker state while the panel is open
Fix 'Policy not defined' console error
Remove redundant heuristic-cookieblocking check

Since #63, a request is preload-whitelisted if any of
its parent domains is preload-whitelisted. Therefore,
a subdomain that is cookieblocked because one of its
parent domains is heuristic-cookieblocked is also
itself heuristic-cookieblocked.
Add getOriginalState policy check
Fix UI updating when control is reset
Handle reset UI correctly with non-default cookie settings
Merge branch 'master' into fix/issue-138
Merge pull request #164 from EFForg/fix/issue-138

Implement better UI for "return control to Privacy Badger"