Split into functions, can now actually tell how it works...

* 'master' of git.bioconductor.org:packages/splatter:
  bump x.y.z versions to odd y after creation of RELEASE_3_9    branch
  bump x.y.z versions to even y prior to creation of            RELEASE_3_9 branch

Fix spelling

Fixes #69

Checks for SpatParams caused errors if parameters weren't supplied in the right
order. Fixed by making setParams a method and reordering the update list
before setting parameters.

Fixes #66

Groups (and paths) were being simulted in alphanumeric rather than number
order. Fixed by making the Group column a factor.

Fixes #49

Fixes #64

Also remove lingering references to phenoData and featureData

* RELEASE_3_8:
  Add ImmunoOncology biocViews tag

At request of Bioconductor core team

scater normalise renamed to normalize

* 'master' of git.bioconductor.org:packages/splatter:
  bump x.y.z versions to odd y after creation of RELEASE_3_8 branch

* RELEASE_3_8:
  bump x.y.z versions to even y prior to creation of RELEASE_3_8 branch

* 'master' of git.bioconductor.org:packages/splatter:
  remove useDevel mention
  Clean up use of biocLite & add BiocManager to Suggests field

* 'master' of git.bioconductor.org:packages/splatter:
  replace BiocInstaller biocLite mentions with BiocManager

* RELEASE_3_7:
  Fix bug in BASiCSEstimate when no spikes

* RELEASE_3_7:
  Bump version to 1.4.2
  Add regression parameter to BASiCSEstimate