Add Obsidian Plates render support
Add Soul Shards block rendering support
Added support of round visibility limits
Add support for setting default icon for markers in marker set
Add support for moving marker between sets via /dmarker update command
Fix time of day calculation - day starts at 6am, not 8am
Handle older forestry versions (error on new block ID)
Add support for GregTech block rendering
Partial support for Biomes-O-Plenty
Complete Biomes O Plenty support
Only do world time ticking on loaded worlds
Add ColoredBlocks render support
Merge pull request #19 from dejavecu/master

Support of round visibility limits
Add example for circular visibile/hidden limits to worlds.txt
Remove autogenerate - isn't safe enough to support
Drop autogenerate - not worth supporting