[games] Fix client-side handling of messages for mnkgame and connect4
[games] Add popup to mastermind, improve time code & update CSS
[base] Add containers for player info & popup to branded base template
[games] Improve time-related code in Mastermind
[games] Remove sponsors.png
[config] Update default animation & add placeholder as stream embed code
[templates] Use symlink to choose what base template to use
Merge branch 'master' of https://github.com/smab/playhouse-web