ridge and lasso now don't calculate ci before you call confint

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/hdi@78 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
added the possibility to provide a list to the group testing function as for group bound, also made the interface to the group testing uniform with alt option

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/hdi@79 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
default group testing option alt=TRUE

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/hdi@80 edb9625f-4e0d-4859-8d74-9fd3b1da38cb