Merge pull request #31 from laod/master

Changed limestone world generation.
Tweaked solar panel logic + animation
Angle now calculated on client to save on packets
Panels now retract if disabled via outside cause
Merge pull request #32 from laod/master

Limestone generation similar to RP2 marble.
Merge branch 'master' of https://github.com/CyanideX/Electrodynamics
Remove recursion. Switch to a work queue.