Random variance on detector echo. Mitigates #47.
Fix deposit shading. Bright green is more, dark green is less.
Detector variance is static to avoid simultaneous seeding issues
Only emit gas effects when over a Kethane deposit
Correctly show deploy/retract UI after animation finishes
XOR is ^, not %. Convert legacy seeds and store them with body nodes.
Version 0.5.1
Merge branch 'hotfix-0.5.1'