Bioconductor 3.12

• Add the splatPop simulation. This is a extension to the splat simulation contributed by @azodichr and @davismcc that adds population effects. It allows you to specify relatedness between individuals and generate cell-type specific eQTL effects. (PR #106)
• Add a batch.rmEffect parameter to the Splat simulation. This allows generation of a paired simulation without any batch effects. (From @daynefiler PR #103)
• Add a new minimiseSCE() function which can be used to remove unneeded information from simulation output (or any SingleCellExperiment).
• All simulations now return sparse assay matrices by default when they would be smaller than the equivalent dense matrix. This is controlled by a new sparsify argument.
• Users will now be automatically prompted to install packages if they try to use a simulation for which the suggested dependencies are not available.