dispersion weighting - first commit

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2550 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
added documentation

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2551 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
added disp_weight to namespace

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2552 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
renamed function, returns list with transformed data, assigned class

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2553 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
fixed example

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2554 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
fixed typo

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2555 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
released vegan 2.0-8

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2556 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
ChangeLog on Szöcs's dispersion weighting

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2557 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
bmp has been in all OSes in R since r44639 (2008-01-30)

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2558 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
fix dispweight man page: gave WARNING

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2559 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
update Examples

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2560 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Merge branch 'r-forge-svn-local'
Merge branch 'r-forge-svn-local'