Merge pull request #35 from dolob-mrmr/hamzah

Merge pull request #34 from dolob-mrmr/master
finalised usecase diagram. updated usecase desription
Merge pull request #36 from dolob-mrmr/zhihao

finalised usecase diagram. updated usecase description
DBConnector implementation in androidcamera api
Merge pull request #37 from dolob-mrmr/vincent

DBConnector implementation in androidcamera api
Merge pull request #38 from dolob-mrmr/master

updating branch in github from master