Initial import.
Remove redundant parameters.
Inline current time with the server format.
Move date utilities into a dedicated class.
Adhere to C# coding conventions.
Introduce initial UI based on Windows Forms.
Introduce basic UI.
Put OK button on the left (Windows convention).
Add UI for renaming, joining, and leaving groups. Plus limits the app to only 5 groups.
Implement group management events.
Fix UI bug when leaving all groups and improve info balloons.
Remove empty line on invite people's message box.
Add unit tests for DateUtils and Json classes.
Hide command prompt when launching the app.
Move backend URL to remote resource and introduce an about menu.
Introduce about dialog.
Display app and environment versions on about dialog.
Slightly redesign to avoid misusing extra space.
Introduce new version notification.
Add NSIS installer.