Adda button to install all updates


git-svn-id: http://cantata.googlecode.com/svn/trunk@5002 b1e49159-3266-923f-9c3e-04f16369770a
Better layout


git-svn-id: http://cantata.googlecode.com/svn/trunk@5003 b1e49159-3266-923f-9c3e-04f16369770a