fast.reshape.obs

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/lava@897 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
lava normal estimator. mvn clean-up

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/lava@898 edb9625f-4e0d-4859-8d74-9fd3b1da38cb