Add partial implementation of handling disconnects while playing via network

- Reverse the order of client list - Add 'game in progress' room state to implement support of in-game disconnects notification

- Add forgotten PirateFlag map to list of installed maps - Add each preview.png to installation

- Remove deprecated stuff - Add a preview to each map, so switching is now 100 times faster

- Set focus to dead hedgehog - Switch from rooms list page to net page when disconnected from server

Make messages be more debug-friendly

Server erases teams list after round finish, so everything should be okay now

Clients send roundfinished message to server when the round is over

Fix water rising too fast

Rename function

Allow --port=PORT command-line parameter to specify the port to listen on

Flush CONNECTED message, so client hasn't to wait for it on connect

Fix the bug

Stub to run network game

Update protocol doc

Fix team colors mismatch on some conditions (just synchronize them when team is added)

Small optimization (use partition instead of two filters with opposite predicates)

Send team removal message to others in room when client disconnects

- Fix a bug with chosen map (new clinet gets wrong information) - Fix mapContainer bug when switching quickly from random map to a painted one

Fix that bug (lol, pretty fast, eh?)

Send teams info to newly connected client (has a bug with team sequence, need to discover)

- Allow team color changing - Fix team removing handler in client's code

- Only team owner can remove team from the list - Fix check for hedgehogs number overflow

Add support for removing team