use RES.check to verify resouce load process
add effects for Boss
new function limit_between
use newTick to obtain equal time interval
newTick takes place of newTicker
[fix] Player should do nothing if dead
move fire config inside player.data.conf
refractor

UTIL.getAliveObj -> SPRITE.getAliveOne
UTIL.getAliveObjs -> SPRITE.getAliveAll