CenterBottomImageView

固定高度ImageVIew，宽度充满，高度截取上面。
测试图片:

效果图：（imageview固定高度100dip）

Name		Name	Last commit message	Last commit date
Latest commit History 4 Commits
.settings		.settings
res		res
src/com/joyuan/centerbottomimageview		src/com/joyuan/centerbottomimageview
.classpath		.classpath
.project		.project
AndroidManifest.xml		AndroidManifest.xml
README.md		README.md
ic_launcher-web.png		ic_launcher-web.png
imageview.png		imageview.png
proguard-project.txt		proguard-project.txt
project.properties		project.properties
test.jpg		test.jpg

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