Add Japanese translation support (from crowdin/nabbna)
Fix wings fly speed not work in the creative flying
Fix dedicated server crash in 1.16.5
NOTE: 1.16 requires java 16 now.
Add epic fight 20.8.0 compatibe support.
NOTE: 1.16 requires java 16 now.
NOTE: 1.16 requires Epic Fight 16.6.4 if install.
NOTE: 1.18 requires Epic Fight 18.5.26 if install.
NOTE: 1.19 requires Epic Fight 19.5.26 if install.
NOTE: 1.20 requires Epic Fight 20.8.6 if install.