Added additional config options: "Minimum Meteor Size To Spawn Nether Portal" (default 2), "Meteor Impact Explosion Multiplier" (default 5.0) and "Meteor Impact Spread" (default 4).
Merge pull request #6 from marc/master

Added additional config options: "Minimum Meteor Size To Spawn Nether Portal", "Meteor Impact Explosion Multiplier" and "Meteor Impact Spread".