Reain 0.4 Pre 1

Not 0.3 but 0.4

Changes:

• New UI
• New Font (Noto JP -> Quicksand)
• Package name
• Song settings file extension (.r3s -> .mu0)
• Map notes file extension (.r3m -> .mu3)
• Star Rate calculation

New:

• mu3 System
• mu3.ini (File for setup)
  
• mu0 (Folder that contains maps)

Remove (Item(s) that contain * mean will be return in later version):

• Reain Rulesets*
• Result Screen*
• Note Speed Fixes* (Now fixed to 25 in Mania)
• Start Menu*