angleRange Feature

adding the attribute `angleRange`, adding the `targetSdkVersion` to 18 to avoid error, and adding the project.properties of Eclispe adtV22.0.5.

![anglerange](https://f.cloud.github.com/assets/142539/970264/e252b63e-05d2-11e3-9471-6e6f6e43af2b.png)