Merge branch 'master' into dropout

* master:
  Bump version number
  Add SparseDC tests
  Run checks
  Add SparseDC to listSims
  Add sparseDCEstimate
  Add sparseDCSimulate
  Add SparseDCParams
  Rename params metadata to Params for consistency
  Reset path.from if nGroups changes in SplatParams
  Colourise listSims
  Colourise Params print output
  Improve printing of data.frame parameters
  Improve mean fitting warning in splatEstMean
  Simplify problematic doc links
  Run checks
  Add lib.norm to splatEstimate
  Add lib.norm to splatSimulate
  Add lib.norm parameter to SplatParams
  Use development version