Use a background page to eavesdrop on (un)like requests
Merge branch 'nan-recovery' into inspect-post
Merge remote-tracking branch 'upstream/master' into inspect-post
Use chrome storage to track likes

This is needed as content script and background page do not share the same localStorage
Currently using storage.local. It can be easily converted to storage.sync when needed.
Block like based on background page
Docs
Current date should be constructed on-demand when a day has passed
Background page passes likes count directly to content script
No need to save likes from content script
Delegate fetching of likes count to background page
Merge pull request #3 from BenMQ/inspect-post

Use background page to handle blocking logic and like tracking