* Theme refactoring * disable the automatic tinting of surfaces with elevation in dark mode * make the media warning visible again with the dark theme * fix nav bar on api 27+ * use correct color for all media warnings
* give poll result backgrounds a rounded shape * fix rtl layout of poll options
* add entity classes * change data models and add database migration * add polls to StatusViewData * show poll results * add methods for vote handling * add voting interface * enable voting in TimelineFragment * update polls immediately * enable custom emojis for poll options * enable voting from search fragment * add voting layout to detailed statuses * fix tests * enable voting in ViewThreadFragment * enable voting in ConversationsFragment * small refactor for StatusBaseViewHolder
