Multiple quality of life improvements:
- tooltips on emotions now work on session managers
- replaced emoticons with "older" ones to support old devices
- all screens now show the application version with a link to the repository
- all submit buttons now feature a spinner when clicked
- password field is now only shown when session is password protected
- session manger now accepts "enter" for creating sessions
- clicking "join" in session manager will redirect to a new tab
- timer input now accepts mm:ss and ss