CityWorld

• Added World generated as Nether automagically makes everything destroyed
• Still working on TheEnd based worlds... it will be cool trust me :-)
• Added decayed options for buildings, roads and nature
• Fixed the crosswalks so they appear when they should
• Fixed the disappearing radio town shacks (still happens but rarer)
• Added streetnames... no it isn't customizable right now but might be soon
• Fixed the tree distribution, more randomness and trees
• Added city and road radius for folks who want a single city surrounded by nature
• Made the stairs in the mineshafts a little less rickety looking
• Added alcoves to the mineshafts to make the spawners and chests less obvious
• Removed the silverfish from the sewers and mineshafts... yike!, that was a bad idea!
• Oops, sometimes the vertical mineshafts go down beyond the bedrock... double yike!, that was even a worse idea!
• Fixed a buggaboo that made the bunkers plots clear out too much rock and not generate caves correctly
• Incorporated support for Tekkit material types base on initial work by gunre/adept
• If options are used, I put in some sanity checks to make sure all the plots are actually filled with something

A bit slow at the initial population but once everything is "populated" then all is good