Switch to retaining expired bans for a day by default.
Record warnings in the ban log.

Adjust /showbans, /listplayers and connection checks accordingly.
Admins may see 'W' in listplayers output.
Fix destroy-when-unpowered animation for alien buildings.
Quieten MD5 buildable animation loading (unless cg_debugAnim ≠ 0).
Remove support for the MDM model format and the MDX animation format
Use constant sized arrays for weight info in md5Vertex_t

We will error on load if the number of weights exceed MAX_WEIGHTS.
This change should fix SSE skinning related crashes from unaligned accesses
Corrected flamer effect bug from #231

[Indentation fixed. - ds]
Fix a segfault in bone matrix calculation.

This crash was accidentally introduced in commit 5aec2533.
Enable use of existing SSE optimisations on amd64.
We don't need to reload reversed fallback animations – just copy and flip a flag.
Possible segfault if the player being warned has console.
Merge branch 'master' into gameplay/devserver

Conflicts:
	src/gamelogic/game/g_admin.c