Add slider "sliding" sample support
Make content side padding adjustable for OverlayHeader
Make perfect mod ignore all non-combo-affecting hitobjects
Add user cover background to expanded version of score panel
Fix slider ball rotation being applied to follow circle and specular layer
Re-namespace multiplayer requests and responses
Fix SkinnableSounds not continuing playback on skin change
Hide slider repeat judgements temporarily
Input handler updates in line with framework changes
Implement brick friends view for DashboardOverlay
Fix focused textbox absorbing input when unfocused