Highlight reveal/reset buttons in reveal state for better understanding. Ref #29
Pop open game link when user joins empty game. Ref #27
Use color names for game names, failover to numbers not random strings. Ref #23
Expose text field for game ID, prefill if available. Ref #23
Count players on page load. Ref #25
Better validation and user explanation on player count updates. Ref #23. Ref #25.
Limit hotkey actions to post-signIn; conflicted with 'enter' in login form. Ref #19
Version increment
Merge dev -> master 1.6: Usability enhancements for logging in, game sharing

- Closes #29: Highlight 'reveal' and 'reset' buttons for better understanding
- Closes #27: SHow game link when joining an empty game
- Closes #23: Add field for game name, use words for game names
- Closes #25: Show count of active players when logging into existing game