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

Also add new BASiCS tests

Also add new BASiCS tests

Fixes #56

* 'master' of github.com:Oshlack/splatter:
  Fix bug in reversing directions for factors less than one

Fix bug in reversing directions for factors less than one

* RELEASE_3_7:
  Fix errors in splatEstLib normality test

Fixes #48