README/NEWS updated

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/lava@978 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
pmvn,dmvn added to namespace

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/lava@979 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
new mets version check via versioncheck function

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/lava@980 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
new mets version check via versioncheck function

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/lava@981 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
lvm(f1,f2,f3,...)

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/lava@982 edb9625f-4e0d-4859-8d74-9fd3b1da38cb