-Remove a second, useless call to CTF_CheckFlags from P_KillMobj.

git-svn-id: http://odamex.net/svn/root/branches/0.6.x@3805 b0bcef46-2027-0410-bd56-ab726e9a1d04
-When unregistering players from the Unlag class, the cached player_t pointer was not being updated properly because players.erase had not yet been called, making player_history::player point to an incorrect player in some cases (bug 974).

git-svn-id: http://odamex.net/svn/root/branches/0.6.x@3806 b0bcef46-2027-0410-bd56-ab726e9a1d04
-Prevent the server from sending svc_movemobj and svc_mobjspeedangle messages for player mobjs as the information is already contained in the svc_moveplayer messages.
-Clients no longer apply snapshots to dying or dead players as this creates jerky animation with cl_interp.

git-svn-id: http://odamex.net/svn/root/branches/0.6.x@3807 b0bcef46-2027-0410-bd56-ab726e9a1d04