cols and rows logically arranged, botanical names in 4+4 format and updated in dune data sets

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2819 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
add data on phylogenetic distances (coalescence ages) for dune species

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2820 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
fixes after two previous commits

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2821 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
update botanical names in BCI

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2822 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
... may be used in an incorrect context: revert r2765

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2823 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
add encoding

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2824 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
use 4+4 CEP names in varespec

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2825 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
adapt to 4+4 names in varespec (r2825)

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2826 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
community data were renamed and reorganized: examples change

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2827 edb9625f-4e0d-4859-8d74-9fd3b1da38cb