Since the players/civs already have cmpIdentity, use it.
This forces civs to have corresponding XML in the `special/players/`
folder.
Also moves the files from `special/player/` to `special/players/`
consistent with other folders. And moves the generic `player.xml` one
level up.
Differential revision: https://code.wildfiregames.com/D4473
Help and comments by: @Stan, @wraitii
This was SVN commit r26298.
Adds camera control to Atlas player panel
Changes map reader to handle per-player starting camera position. See
#55
Adds entity name filter to Atlas object panel
Fixes bug in Atlas map settings (caused crash when object panel was not
loaded)
This was SVN commit r9617.