Update DiceBattlefield4.json

Added XP3 Maps & Modes. Fixed ConquestSmall0 maps for XP1
Update DiceBattlefield4.json

fixed ,
Update DiceBattlefield4.json

Fixed another ,
Update DiceBattlefield4.json

Fixed some parsing errors
Merge pull request #70 from EBassie/patch-4

Update DiceBattlefield4.json with "Dragon's Teeth" DLC