Track competition scores

[timotheeg]

Based on request from player CaptainRR:

Add capabilities to distinguish between competition scores and regular score:

• Scores page can be filtered with a query string ?competition=0|1
• Progress page can be filtered with a query string ?competition=0|1
• Scores page allow user to switch the mode of a given score
• Producer page automatically sets the game as competition=1 when in match room
• Games can be recorded as competition=1 from the private room view by adding a query string argument ?competition=1
• Manual scores can be added for regular and competitive games

Non-related bonus: Remove websocket connections that should not be allowed:

• Connect producer by user secret (user secret authentication should only be for views
• Remove ability of to load an admin page by user id