Fixed bot characteristics not being initialized
mint-arena: Storing ready players at intermission in configstring

It use to be stored in player state and only supported clientNums 0-15.
Also fixes cgame issue of only checking player state 0, which may not exist (zero'd memory).

Com_ClientListParse was changed to be able to parse output of Com_ClientListString.
Modified flag list a bit
Merge remote-tracking branch 'upstream/master'