Merge pull request #3 from honghui/master

add 3.2 rc0 source code
Merge pull request #4 from honghui/master

show plane on main menu layer
add action
Merge branch 'master' of https://github.com/cocoscodeide/EarthWarrior3DLua
add license Layer
add LoadingScene
Merge pull request #5 from hejialin/master

add license Layer
Merge pull request #6 from honghui/master

add some enemies(haven't test)
modify LoadingScene
Merge branch 'master' of https://github.com/cocoscodeide/EarthWarrior3DLua

Conflicts:
	src/MainMenuScene.lua
Merge pull request #7 from chuanweizhang2013/master

add loading layer
Merge branch 'master' of https://github.com/cocoscodeide/EarthWarrior3DLua

Conflicts:
	src/LicenseLayer.lua