[ar-unity] problem delete files
[ar-unity] modify unity3d files
Merge branch 'fix_unity3d_project'

Conflicts:
	ar-unity/Assets/Scenes/AR.unity
	ar-unity/Library/CurrentLayout.dwlt
	ar-unity/Library/ScriptMapper
	ar-unity/Library/assetDatabase3
	ar-unity/Library/guidmapper
[ar-unity] solve the problem of Unity3D project.
[ar-unity] solve the problem of deleted files from remote repository and export Unity 3D project to Eclipse project.
PLEASE DON'T DELETE FILES FROM REMOTE REPOSITORY.