Ghost plotonium chest is placed #59 - Fixed
 Cupola needs to drop items when broken #57 - Fixed
 Code reorganize to fix overall solution. Shifted dropSlotContents(& associated) into SNSMachineBlock.
Merge remote-tracking branch 'FoudroyantFactotum/develop' into feature/bug_fixes_from_foudroyant
Moved dropInventory to base class
added getTileEntity to WorldBlockCoord
Merge branch 'feature/bug_fixes_from_foudroyant' into develop

Fixes #57
Fixes #59