Design of Json parser related class, passed all junit tests. Needs improve.
Update baidu push sdk.
增加了List<T>和Map<K,V>的Json解析
增加了List<T>和Map<K,V>的Json解析
增加了对复杂的集合类型和图的解析方法，和对嵌套型集合类与图的解析方法
Implement Volley request and refactor code. Inspired by @alwayskim
Merge pull request #5 from ZJU-ISST/feature/volley_end

Implement Volley request and refactor code. Inspired by @alwayskim
Implement interface for generic provider use.
Implement json parser && add new model classes.
Merge pull request #6 from ZJU-ISST/feature/json

Implement json parser && add new model classes.
Implement User Provider && Code refactor
Complete database design using CSTProvider extends ContentProvider
Merge pull request #7 from ZJU-ISST/feature/database_end

Complete database design
Implement User related response & data classes && Repackaging.
Using a better design to parse json && Code refactoring.
Fix database create crash bug.
完善了CSTUserDataDelegate.java
Merge branch 'verify/database' of github.com:ZJU-ISST/isst-android into verify/database
完成数据模型
完成数据模型