some progress with new pmvn function

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/lava/pkg/mets@970 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
News+description updated. preparing for 1.2.5 release

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/lava/pkg/mets@971 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
merged...

git-svn-id: svn+ssh://svn.r-forge.r-project.org/svnroot/lava/pkg/mets@972 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Merge branch 'master' of github.com:kkholst/mets