n S3 plug that makes sure people
loading ape first and then dendextend will still be able to
use <code>rotate</code> without a problem.
Notice that if you first load ape and only then dendextend,
using "rotate" will fail with the error: "Error in rotate(dend, ____) :
object 'phy' is not of class 'phylo'" - this is because rotate in ape
is not S3 and will fail to find the rotate.dendrogram function.
In such a case, simply run <code>unloadNamespace(ape)</code>. Or, you can run:
<code>unloadNamespace("dendexte