Fixes

- Fixed plugin count and fixed plugin loading, when the settings.ini was regenerated.
- Added "Broadcasting" settings to world.ini
- Fixed group colors.
Actually it's correct. The group's Color is supposed to be a single character, `0` - `9` or `a` - `f`:
![ColorCodes](http://hydra-media.cursecdn.com/minecraft.gamepedia.com/4/4c/Colors.png)