Add the most basic implementation of LabelledSliderBar feasible
Add placeholder text/colour when no beatmap background is specified yet
Make SettingsItem conform to IHasCurrentValue
Add update notifications for iOS builds
Fix disclaimer potentially running same code from two different threads
Re-enable and fix gameplay sample playback test
Colourise control point table
Display all control point information on the main editor timeline
Temporarily ignore failing gameplay samples test
Add drag-drop support in editor setup screen for audio and background images
Add buttons to flip/rotate the current selection by known amounts
Add selection scale and rotate support
Add legacy skin "sliderendcircle" support
Try to match stable's cursor trail density
Move control points display to base timeline class (and add toggles)
Fix seeking in replays not correctly pausing samples
Don't stop non-looping samples immediately when pausing
Fix spinner crashing on rewind
Add change handler callbacks from timing screen / components
Fix editor persisting new beatmap even when user chooses not to