Remove and compress resources
delete useless resources and replace icons
Merge pull request #169 from RaoZiJian/master

Remove and compress resources
Merge pull request #170 from zaojiahua/master

pack resource in mainmenuscene
set _angry = 0 as hero is dead
Merge pull request #171 from calfjohn/master

2 commits
Merge pull request #172 from zaojiahua/master

fix boss dropblood bug
delete arial.ttf