#17 Created member ORM class.

Renamed user.
Merge pull request #23 from MilesChou/17-member-module

#17 Created member ORM class.
Renamed for manager.
#24 Add exam ORM class.
#24 Add publisher layout XML files & modified some XML name.

strings.xml
- Add some string to use in publisher module.
#24 Add DAO & default data XML.
#24 Create publisher activity

Included Add, Edit, List, 3 Activity
#24 Add link to publisher activity and do refactoring.
Source code rebuild.
Merge pull request #25 from MilesChou/24-exam-module

Exam module
#24 Add layout XML files & modified XML files.
#24 Add activity and database files.
#24 新增/修改Layout XML檔
#24 新增Activity & 加入列表功能
#24 Add ConceptView files.
#24 新增選擇題功能

SpinnerAdapter 獨立出來使用
Renamed exam to concept.
#24 試題庫功能完成
#24 學生試卷列表與作答完成
#24 學生測驗結果完成