Fix collecting cases after teleportation

Fix issue with hedgehog on top of the hedgehog with pickhammer

Set radius for clusters of clusterbomb

Fix bug with demos and saves after restoring round from save

Fix potential queue error in rare cases

Use constant generated by cmake for version string

Double increase collision array size

More verbose video parameters setting

- Better error handling when creating the window - Increase protocol number due to physics changes in previous revision

Implement LIST command

Finish conversion

Modify protocol implementation functions interface (convertation not yet finished)

Fix attack direction when perform somersault

- Add comment - Modify JOIN reply

Handle QUIT of the master: disconnect all roommates

'In room' state stub

Handle password parameter on JOIN

- Remove old hwserv code - Introduce rooms (CREATE and JOIN commands handling)

- Fixed some bugs - Introduce client protocol number field - Handle PROTO command

- Some improvements in core - Handle 'NICK' command

Better QUIT handling imlementation - reduces function return values count

Properly handle QUIT command. Now, we can concentrate on protocol implementation

- Improve server core - Protocol in separate module

Some work on newhwserv

Fix version number on about page

Temporarily disable screenshots as they cause segfault

Repair cheese and volcano maps

Fix training

- Some debug info - Fix copyright info

Update copyright info in source files headers