Default Giotto Scaling

2 step z-scoring along features and samples

params

`scale_feats`	logical (default = `TRUE`) Whether to scale across features
`scale_cells`	logical (default = `TRUE`) Whether to scale across cells/samples
`scale_order`	character. One of either `"first_feats"` or `"first_cells"`. When both `scale_feats` and `scale_cells` are `TRUE`, determines the order in which the 2 scaling operations are performed.
`verbose`	logical (default = `TRUE`) Whether to be verbose