add MouseOver_ShowInformation.cs
add MouseOver_ResizeObj.cs
add Dr.png
SHA-1: 1835bf68cf9fb9cdff14d32289900c84ea7c77b8

* add MouseOver_ShowInformation.cs
add MouseOver_ResizeObj.cs
add Dr.png
rename GUITexture04 to GUIDemonstration06
add GUITexture12.unity