More consistent and visible map metadata
Display map author in Welcome message, add more author fallback paths
Fixes "" sometimes appearing in the Create menu.
Display mapinfo titlestring in Welcome message, handle title the same in all code paths
Moves the world.message fallback into the mapinfo system.
Welcome message: combine bool networking into a bitfield
Add g_mapinfo_q3compat 3, support maps with .arena AND .defi files
Fixes lack of CTS support on q3df maps that also have an invalid .arena
file.
Clarifies description and INFO logging.
mapinfo: minor fixes: q3compat and CSQC warning removal
Fixes Q3/QL maps that support 2v2 and duel also getting CA enabled.
The "tournament" string never matched, it's "tourney" in Q3 and "duel"
in QL, "tournament" is only used in the Q3 .gametype entity field.
The comment // Q3/QL compat, see DoesQ3ARemoveThisEntity() in quake3.qc for complete lists
refers to stuff added in !1268 (merged).