Add auto-registry option for lazy developers.

[portlek]

Added FastBoardRegistry. Updated README for the usage of the new auto-registry system.

[iiAhmedYT]

well if your comments are like this I'd rather NOT comment.

[ghost]

well if your comments are like this I'd rather NOT comment.

I don't understand who is still using doc blocks in java...

[portlek]

you guys can change javadocs later, it's just for placeholder.

[MrMicky-FR]

Hi, thanks for your pull request, and I apologize for the long delay, however after some consideration I don't think it's fit the project goal, which is to be a "basic" (in features) scoreboard class and not a full-flagged scoreboard framework