初始版本，支持图片的多点触控缩放显示，并实现回弹
new file:   AndroidManifest.xml
new file:   formula-derivation.txt
new file:   proguard.cfg
new file:   project.properties
new file:   res/drawable-hdpi/audi.jpg
new file:   res/drawable-hdpi/audir8.jpg
new file:   res/drawable-hdpi/bg.jpg
new file:   res/drawable-hdpi/bluck.jpg
new file:   res/drawable-hdpi/mj.jpg
new file:   res/drawable-hdpi/mj1.jpg
new file:   res/drawable-hdpi/mj2.JPG
new file:   res/drawable-ldpi/audi.jpg
new file:   res/drawable-ldpi/audir8.jpg
new file:   res/drawable-ldpi/bg.jpg
new file:   res/drawable-ldpi/bluck.jpg
new file:   res/drawable-ldpi/mj.jpg
new file:   res/drawable-ldpi/mj1.jpg
new file:   res/drawable-ldpi/mj2.JPG
new file:   res/drawable-mdpi/audi.jpg
new file:   res/drawable-mdpi/audir8.jpg
new file:   res/drawable-mdpi/bg.jpg
new file:   res/drawable-mdpi/bluck.jpg
new file:   res/drawable-mdpi/mj.jpg
new file:   res/drawable-mdpi/mj1.jpg
new file:   res/drawable-mdpi/mj2.JPG
new file:   res/layout/image.xml
new file:   res/values/strings.xml
new file:   src/com/ckl/zoompage/ImageZoomView.java
new file:   src/com/ckl/zoompage/ZoomListener.java
new file:   src/com/ckl/zoompage/ZoomPage.java
new file:   src/com/ckl/zoompage/ZoomState.java