The first version

Functions

1. You can fill the database/namelist.csv file to add known people to database.
2. You can modify the time interval of face detection, the initial value is 500ms.
3. You can modify the threshold to judge two photo of one person. The smaller is stricter, default is 0.1, very strict.
4. The facerecognition is running at a different thread of UI thread, if your computer is not powerfull, please make the time interval of face detection larger, for example: 1000ms.