Realistic Crop Rotation 1.1.0

1.1.0.0:
- Added buckwheat, peanut, sesame and mint to crop rotation
- Fixed long freezes and low frame rates in the crop rotation menu on some maps and savegames
- Fixed advice text cut short in some languages
- Fixed an unnecessary warning when loading a singleplayer game
- Fixed the current-date marker in the crop rotation calendar
- Fixed incorrect crop detection on fields with missing boundaries
- Fixed fungicide and nematicide missing on large maps and long mod lists: the game's limit of 255 fill types is raised to 511