Make osu!mania conversions more in-line with osu!stable
Fixed exit from game saves username instead of email
Create a base TestCaseEditor for rulesets to derive
Move test beatmap from TestCasePlayer into an instantiable class
Update framework
Add skin support for hit judgements
Fix slider circle overlays moving with the endpoints
Implement mania star difficulty calculation
Rework decoders to be more flexible
Add Mirror Mod for Mania
Update ISSUE_TEMPLATE
Fix login failure for users with no country rank
Interpolate ParallaxContainer's scale
Add drawable to display (and update) relative dates