Bump version to 1.3.5

DESCRIPTION

NEWS.md

R/splat-estimate.R

docs/articles/index.html

docs/articles/splatter.html

docs/articles/splatter_files/figure-html/pca-1.png

docs/news/index.html

docs/reference/SplatParams.html

docs/reference/addGeneLengths.html

docs/reference/index.html

docs/reference/lunEstimate.html

docs/reference/mfaEstimate.html

docs/reference/phenoEstimate.html

docs/reference/setParam.html

docs/reference/setParams.html

docs/reference/simpleEstimate.html

docs/reference/sparseDCEstimate.html

docs/reference/splatEstDropout.html

docs/reference/splatEstimate.html

docs/reference/summariseDiff.html