anovacca(..., by='axis', scope=) handles empty scopes (like wrong names in scope)

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2793 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
print.permutest.cca uses howHead

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2795 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
adopt column header Variance/ChiSquare to ordination method

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2796 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
disable 'full' model in permutest.cca: no code removal

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2797 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
prepare documentation for switching from old to new anova.cca

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2798 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
first stage of replacing old anova.cca: rename old functions to ccanova*

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2799 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
second step of new anova.cca: rename anovacca to anova.cca -- expect trouble

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2800 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
stage 3 of new anova.cca: start adapting functions dependent on anova.cca and fix things flagged in R CMD build

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2801 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
stage 4 or new anova.cca: Pass examples in R CMD check, but still fail in inst/tests

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2802 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
typo (laziness)

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2803 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
really do document new anova.cca API in ordistep

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2804 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
comment out failing anova.cca tests, but keep the *.save file to remind us of the problems in every check

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/vegan/pkg/vegan@2805 edb9625f-4e0d-4859-8d74-9fd3b1da38cb