Merge pull request #68 from calfjohn/master

3 commits
added FX resources
deleted unused
Merge pull request #69 from Wu-Hao/master

added FX resources
changed scene and camera
Merge branch 'master' of https://github.com/fusijie/FantasyWarrior3D
tweaked some value, cached spriteframe
Merge pull request #70 from Wu-Hao/master

changed scene and camera
modify mainmenuscene and fix dropblood bug
Merge pull request #71 from zaojiahua/master

modify mainmenuscene and fix dropblood bug
Merge branch 'master' of https://github.com/fusijie/FantasyWarrior3D

Conflicts:
	src/BattleScene.lua
	src/Knight.lua