Monster and boss appear on the scene when they should appear
Merge branch 'master' of https://github.com/fusijie/FantasyWarrior3D

Conflicts:
	src/BattleScene.lua
update model
Merge pull request #32 from zaojiahua/master

fix billboard
Merge branch 'master' of github.com:fusijie/FantasyWarrior3D
Attack is independent now. Just code like this 'AttackCommand.create(object) '
Merge pull request #33 from calfjohn/master

Attack is independent now.
fixed a lot of bug  in use List table
Merge branch 'master' of https://github.com/fusijie/FantasyWarrior3D
Merge pull request #34 from calfjohn/master

fixed a lot of bug  in use List table
Add main menu BGM
Change main menu background music
Add other scenes' BGM
Add many audio effects
camera position, new scene model, water
Merge pull request #35 from RaoZiJian/master

Add main menu BGM
command
Merge branch 'master' of https://github.com/fusijie/FantasyWarrior3D
Merge pull request #36 from calfjohn/master

command
Merge branch 'master' of https://github.com/fusijie/FantasyWarrior3D

Conflicts:
	src/BattleScene.lua