v0.3-alpha

Third major update to our app. Implemented timed destruction of groups, location buttons, and almost all notifications.

Working features (still need testing):

• Login
• Create account
• Reset password
• Logout
• Add classes
• Join a group
• Create a group
• Transfer group management
• Edit group details as manager
• Pause on firebase disconnect
• Background service with persistent notification
• Background management of group destruction and user kicking
• Background notifications for group leadership transfer, group disband, and user kick
• Settings page
• Timed destruction of groups
• User join/leave notifications
• Group details change notifications
• Empty list views for courses and groups in join-group view

Planned features:

• Group expiry warning (~5 minutes before end time)
• Shared preferences for settings page
• Profile page
• Banned users list for group manager