Only @import plugin scss. Fixes the huge emoji issue.
Merge pull request #2255 from vikhyat/fix-sass-plugin-import

Only @import plugin scss. Fixes the huge emoji issue.
Switch the awkward poll.post.poll_details.closed to poll.closed.
Remove the colon from the poll prefix, drop regex support.

This is needed to make it possible to programmatically toggle between
open and closed polls.
Update poll when title is changed.
Merge pull request #2256 from vikhyat/poll-plugin

Poll plugin updates
Extract scheduler cross-process locking into DistributedMutex.
Use DistributedMutex to make sure poll votes are tallied correctly.