by Berdir: update for language_load()
Issue #2409887 by Berdir: Added default views data handler
Issue #2418089 by Berdir: Updating operations and edit title
Issue #2335425 by Berdir: Allow to embed polls safely in other content
Issue #2409855 by Berdir: Update for link template and immutable config core changes
Issue #2405579 by Berdir: Chase HEAD and convert choices field to a base field
getCacheTag() was renamed to getCacheTags()
Issue #1663146 by typhonius, rpayanm, Manuel Garcia | ZenDoodles: Clean up css in poll module.
Issue #2331515 by Berdir: Allow to show the poll question in the vote/result templates.
Issue #2331461 by Berdir: Clean up entity handlers/forms, chasing HEAD.
Fix watchdog calls()
Fixed l() calls.
remove that again
more test fixes
Fixed permissions and field creation
Fixed access controller handler
clean up form_state
ContentEntityDatabaseStorage is now SqlContentEntityStorage
Remove default configuration method
Update block methods
revert vote delete access check
Use _entity_view for viewing
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