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 #36

* master: (183 commits)
  Run checks
  Add batch effects to vignette
  Update splatEstimate to set batchCells
  Add batch effects to splatSimulate
  Update SplatParams
  Bump version number
  Update citation
  Fix error handling when fitting means
  Fix comparison plots
  Bioconductor 3.5 release
  bump x.y.z versions to odd y after creation of 3_5 branch
  Creating branch for BioC 3.5 release
  bump x.y.z versions to even y prior to creation of 3_5 branch
  Update NEWS and DESCRIPTION
  Version 0.99.15
  Remove dropout.present estimation
  Add limits to zeros plots
  Adjust default splat DE fac params
  Add BPPARAM to scDDSimulate
  Add summariseDiff function
  ...

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

git-svn-id: file:///home/git/hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/splatter@131029 bc3139a8-67e5-0310-9ffc-ced21a209358

* Add batch parameters
* Replace groupCells with group.prob

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/branches/RELEASE_3_5/madman/Rpacks/splatter@129128 bc3139a8-67e5-0310-9ffc-ced21a209358

* master:
  Version 0.99.15
  Remove dropout.present estimation
  Add limits to zeros plots
  Adjust default splat DE fac params
  Add BPPARAM to scDDSimulate
  Add summariseDiff function

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

git-svn-id: file:///home/git/hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/splatter@128698 bc3139a8-67e5-0310-9ffc-ced21a209358

* master:
  Version 0.99.15
  Remove dropout.present estimation
  Add limits to zeros plots
  Adjust default splat DE fac params
  Add BPPARAM to scDDSimulate
  Add summariseDiff function

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

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/splatter@128698 bc3139a8-67e5-0310-9ffc-ced21a209358

* master:
  Version 0.99.10
  Remove out.loProb from vignette
  Update default Splat parameters
  Remove out.loProb parameter
  Update estimation procedure

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

git-svn-id: file:///home/git/hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/splatter@127213 bc3139a8-67e5-0310-9ffc-ced21a209358

* master:
  Version 0.99.10
  Remove out.loProb from vignette
  Update default Splat parameters
  Remove out.loProb parameter
  Update estimation procedure

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

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/splatter@127213 bc3139a8-67e5-0310-9ffc-ced21a209358

Decided it was unnecessary

git-svn-id: file:///home/git/hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/splatter@125902 bc3139a8-67e5-0310-9ffc-ced21a209358

git-svn-id: https://hedgehog.fhcrc.org/bioconductor/trunk/madman/Rpacks/splatter@125902 bc3139a8-67e5-0310-9ffc-ced21a209358

Neater than having a checkValid option