OkHttpManager

对OKHttp进行封装，提供了http访问以及网络图片下载的线程池，提供了JsonRequest和图片内存缓存和硬盘缓存，图片下载时会根据ImageView大小进行压缩

由于谷歌从Android6.0开始删除了HttpClient的API,所以把之前写的http请求框架以及图片缓存框架进行修改，把OKHttp封装进去了

Name		Name	Last commit message	Last commit date
Latest commit History 2 Commits
.idea		.idea
app		app
gradle/wrapper		gradle/wrapper
.gitignore		.gitignore
OkHttpManager.iml		OkHttpManager.iml
README.md		README.md
build.gradle		build.gradle
gradle.properties		gradle.properties
gradlew		gradlew
gradlew.bat		gradlew.bat
settings.gradle		settings.gradle

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