Vignettes: switched from markdown to LaTeX (to make it easier to submit to a journal later on)
Fix assignment recycling
And also class of nodes are no longer "dendrogram" after label assignment
Vignettes: a section on dendrapply

And some changes to the title.
unclass_dend now uses dendrapply
fix labeels-assign.Rd
Vignettes - assignment recycling and tree sizes
Added tests for tree size :)
vignettes - spell checked.
Fixes and extensions to unroot

Also added unit testing.
Vignettes - unroot, raise.dendrogram
Trimming by labels.
labels_colors - moved to their own file,
Also added new tests.
Vignettes - added a section on labels_colors

Also corrected some issus with figures' width.
Updated NEWS/DESCRIPTION (still not done with V0.3)