Create heatmap-mik2-mod.R

Modifications to the R function heatmap.2 {gplots}

requires R packages gplots and gtools

heatmap.mik2 with column reordering supressed if a dendrogram is given for Colv, allows manual reordering of input matrix, dendrogram, and ColSideColors for custom dendrograms
enable multiple colorbars for ColSideColors with rbind, rownames are labels
enable multiple colorbars for RowSideColors with cbind, colnames are labels