clear cells working, cells array expansion working

js/cells/DMACell.js

js/cells/OctaEdgeCell.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/TetraStackedLattice.js

js/lattice/TetraVertexLattice.js

js/lattice/TruncatedCubeLattice.js

js/models/PList.js