callback in cell adds

js/cells/DMACell.js

js/lattice/CubeLattice.js

js/lattice/GIKLattice.js

js/lattice/KelvinLattice.js

js/lattice/Lattice.js

js/lattice/OctaEdgeLattice.js

js/lattice/OctaFaceLattice.js

js/lattice/OctaRotEdgeLattice.js

js/lattice/OctaVertexLattice.js

js/lattice/TruncatedCubeLattice.js

js/main.js