updated the custom index for new views layout structure

git-svn-id: http://code.elgg.org/elgg/trunk@8338 36083f99-b078-4883-b0ff-0f9b5a30f544

diff --git a/mod/custom_index/views/default/layout/shells/custom_index.php b/mod/custom_index/views/default/page/layouts/custom_index.php
similarity index 100%
rename from mod/custom_index/views/default/layout/shells/custom_index.php
rename to mod/custom_index/views/default/page/layouts/custom_index.php