Add multidimensional test
Merge branch 'upstream-master' into test-sparse-matrix
Added testBackingStoreAndSliceAccessManyDimensions
Updated SparseBinaryMatrix to support N-dimensional topology (and other improvements)
Merge branch 'upstream-master' into test-sparse-matrix
Merge pull request #120 from solovyevk/test-sparse-matrix

Updated SparseBinaryMatrix to support N-dimensional topology (and other improvements)
Merge branch 'master' of https://github.com/numenta/htm.java into BitmapEncoder_93