Created the ThemeManager and the system to control the dynamic theming
Started updating the main settings screens
Added the AppearanceViewController and connected it to the ThemeManager
Started adding theme values
Started applying theme values throughout
Updated the config message generation for GRDB
Migrated more preferences into GRDB
Added paging to the MediaTileViewController and sorted out the various animations/transitions
Fixed an issue where the 'recipientState' for the 'baseQuery' on the ConversationCell.ViewModel wasn't grouping correctly
Fixed an issue where the MediaZoomAnimationController could fail if the contextual info wasn't available
Fixed an issue where the MediaZoomAnimationController bounce looked odd when returning to the detail screen from the tile screen
Fixed an issue where the MediaZoomAnimationController didn't work for videos
Fixed a bug where the YDB to GRDB migration wasn't properly handling video files
Fixed a number of minor UI bugs with the GalleryRailView
Deleted a bunch of legacy code