Merge branch 'master' into devel

* master: (123 commits)
  Fix non-linear path factors
  Bump verison number
  Set some examples to not run to save check time
  Initalise scDatEx to avoid NOTE
  Tidy up and bump version
  Replace 1:x
  Remove splatter.Rproj
  Add more detail about counts matrix
  Add installation to vignette
  Set R_TESTS environment
  Bump version to start build
  splatter 0.99.3
  Updata scDDEstimate
  Add condition parameter
  Modify SCDDParams to take SummarizedExperiment
  Add logo to vignettes directory
  Remove scDD github remote
  Update to R-devel
  Address Bioconductor build warnings, notes
  Prepare for Bioconductor submission
  ...

From: Luke Zappia <lazappi@users.noreply.github.com>

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/splatter@126081 bc3139a8-67e5-0310-9ffc-ced21a209358