Rtropical 1.2.1
- Authors and links of reference papers added.
 
- Explanation of values added for these functions:
as.matrix.multiPhylo, as.vector.phylo,
plot.troppca, read.nexus.to.data.matrix,
read.tree.to.data.matrix, troppca.obj. 
- Replace \dontrun{} to \donttest{} for examples of
troppca.polytope, troppca.linsp,
troppca.linsp2polytope. 
on.exit() added to restore users’ plotting option in
plot.troppca. 
- Update in documentation of these functions:
read.nexus.to.data.matrix,
read.tree.to.data.matrix. 
Rtropical 1.1.1