Refactor osu!taiko playfield and add background skinning support
Fix crash on switching comments page at an inopportune time
Implement legacy beatmap encoding for all rulesets
Fix mania editor placement not working correctly
Make osu! ruleset placements happen on mouse down
Fix editor crashing when entering with no beatmap selected
Fix TestBeatmap not setting appropriate ruleset ID
Rename editor tests namespace from "Editor" to "Editing"
Turns out this was unnecessary and never actually being used.
Remove obsolete nested hitobject methods
Use platform bindings for editor actions
Add static internal catcher calculation methods for CatchDifficultyCalculator