Merge branch 'master' into bones_was_here/q3compat

diff --cc qcsrc/common/stats.qh
Simple merge

diff --cc qcsrc/server/client.qc
Simple merge

diff --cc qcsrc/server/compat/quake3.qc
Simple merge

diff --cc qcsrc/server/g_world.qc
Simple merge

diff --cc xonotic-server.cfg
Simple merge