Updated About and Acknowledgements
Moved Draw and Notify to overflow menu
Fixed migrating restrictions bug

Renamed the old restrictions table and create a new one to avoid complications and conflicts when migrating. End to end tested with big db generated on v1.4.3, all passed.
Merge branch 'look-and-feel' of https://github.com/peter-tackage/open-secret-santa into look-and-feel
Merge pull request #24 from peter-tackage/look-and-feel

Look and feel