using vbo
Merge pull request #6 from dabingnn/mesh3d_work

Mesh3d work
Merge branch 'mesh3d_tmp' into mesh3d
Merge pull request #7 from super626/mesh3d_tmp

Mesh3d
rename init->initWithFile in Sprite3D
Merge branch 'mesh3d' into mesh3d_work
remove compile warning
default GLProgram to object
add new interface for createSprite3D
Merge branch 'mesh3d' into mesh3d_work