[BF3] fix gamemodes compatible with map Talah Market

as reported [here](http://www.fpsadmin.com/forum/showthread.php?t=24134&page=2#21) and [here](http://forum.bigbrotherbot.net/battle-field-3/bf3-talah-market/msg41614/#msg41614), the documentation R34 from DICE isn't correct for the gamemodes compatible with the map Talah Market
[TESTS] fix tests for BF3 gamemode and maps
[DOC] add logo and favicon
[DOC] more admin plugin commands documented + indexing