front page; views changes to drive the front page

git-svn-id: https://gbif-portal.googlecode.com/svn/portal-drupal7/trunk@2876 3650c4fd-ea0f-e2d6-5ead-89630c913e81
Added back install.php of 7.23.

git-svn-id: https://gbif-portal.googlecode.com/svn/portal-drupal7/trunk@2877 3650c4fd-ea0f-e2d6-5ead-89630c913e81