Added Metrics and made a working flatmap generator

Flatmap Usage: /mcw createf [Generator Options] [World Name]
Generator Options: [Biome Name];[Block IDxThickness],[Block
IDxThickness],...;[Generation Extras (Not done yet)]
It is colon, not semi-colon. And comma, not dot.
Merge pull request #6 from deathline75/Generation

Added Metrics and made a working flatmap generator