Removed I*Cell, will be replaced with abstract classes
New replacement of IStorageCell
StorageCell now extends Item
Moved StorageCell from the api package to the items package
Skeleton of the EnergyStorageCell
Skeleton of the FluidStorageCell
Skeleton of the ItemStorageCell
StorageCell now has a maxstacksize of 1
Fluid and Energy storage cell now no longer abstract
Renamed the storage cells from TypeStorageCell to ItemStorageCellType