create posts through current_user association:
https://github.com/yshmarov/superails/commit/cca5fd8a0d0d6a4f00ee67c5a160ae7489e5360b

vote search scopes for users and posts:
https://github.com/yshmarov/superails/commit/d79c121c815726b29171da8c8fdc19b7dcc98bc7

gem friendly_id finders and histroy:
https://github.com/yshmarov/superails/commit/2d47ffb1ddb5f8b7014de50464fa8fe64addabf2

dont display zero votes count in progress bar:
https://github.com/yshmarov/superails/commit/79f3dd776445e23e3ab69b623f4444ee4d66e99c
gem meta-tags:
https://github.com/yshmarov/superails/commit/d489756cc1f1b181e90f86c909d5ba9ce113ff1b