1.8.3 patchnote

Changes
-Title screen set to 1280*640
-Added window bar

밸런스 패치
-Convert .reg can now be only done with energy
-Reduced Convert .reg cost(500->300)
-Vaccine C-turret changed to passive skill from installable block
-Vaccine C-turret's cooldown reduced to 1.5 seconds

Bug fixes
-Vaccine C-turret 3.0 now displays 'max 4' in turret's instruction
-Vaccine C now uses cleaner normally
-Fixed bug that End task-etc. with Task manager after wave 18 makes wrong mob disappear