Release [1.1.3]
The scoreboard now displays correctly, major bugs such as the grouping system have been fixed, and the config file has been slightly modified. (Click the read more button in the down left corner).

Changelog:

• The scoreboard now displays the messages in order and all the spaces are shown.
• The grouping system has been partially recoded and now should work fine.
• The plugin does not try anymore to change the nickname to the owner.
• The config.yml file has suffered some modifications and more documentation has been added.

WARNING: You must let the plugin generate a new config file. (Delete the previous config file before you install this version of the plugin on your Minecraft server).