[add] unvanquished: fix, 'nix, create crash log FILE
[add] unvanquished: fix, segfault when accessing uninitialised strings
[add] unvanquished: fix, don't access profile properties prematurely
[add] unvanquished: fix: 'nix, don't make assumptions on display name
[imp] unvanquished: fix, 'nix, don't make assumptions on display name