aheatmap: added argument cexAnn to control the size of the annotation tracks (i.e. the width/height of row/column annotations)
aheatmap: added argument layout to specify order of components both horizontally and vertically (annotation, labels, matrix). Dendrograms are not yet flipped if plotted after the matrix
aheatmap: layout specification now works also for flipped dendrograms (also added new function aheatmap_layout to show layout diagram)
Update NMF heatmap vignette
Update NMF heatmap vignette (pdf)
Added the draft of a new vignette for describing generic functions of aheatmap