Simplified and improved export method with peewee's dump_csv
Workaround for NFC dispatching issue
Clean widget contents after action
Removed unnecessary imports
Very dirty way of initializing DB
Android: App must be portrait
DB: Removed unnecessary code
Desktop: Don't show keyboard
NFC: Added FakeNFC class

So all functionality of app can tested on dekstop
Server: Commeted old code
Complete redesign of app

Use TapPannel instead of screen
Gitignore: Added TAGS and config file