Added "home" message key and used it. Fixed community/classes tabs (byediting dotlrn-main-portlet, whose default behavior is unchanged). Madesubgroups show "Subgroup" left tab in Selva. Other changes that escapemy mind at the moment.
added callback before_file_new and page file-upload-confirm to be able to redirect user to a confirmation page before uploading / copying / moving files to folders
adding template::util::contact_search::contact_option proc so that what is displayed in the search dropdown can be customized by replacing that one proc and doing related changes to the contact search template widget