Fixes #6766 Let Super User view and edit segments created by other users

As a Super User:

 * I can now see all segments that were created for this website by any other user
 * When a segment was created by another user who is not Super User, the segment appears below a new section "Visible to you because you have Super User access:"
 * Such segments are editable by the Super User
 * The only difference when editing someone else's segment, as a Super User, is that "This segment is visible to [ME]" now says "This segment is visible to [SEGMENT_AUTHOR_USERNAME]"
 * One can now search in the  search bar for a username and see all segments created by this user

For all users:

 * New section "Shared with you:" now lists segments created by a Super User, and marked as "Visible to [All Users]"
 * Before segments  shared with me, looked the same as segments I created, which was confusing

1 files changed, 1 insertions, 0 deletions

diff --git a/plugins/CoreHome/CoreHome.php b/plugins/CoreHome/CoreHome.php
index ba0f3edd82..52cfa2de5d 100644
--- a/plugins/CoreHome/CoreHome.php
+++ b/plugins/CoreHome/CoreHome.php
@@ -278,5 +278,6 @@ class CoreHome extends \Piwik\Plugin
         $translationKeys[] = 'CoreHome_MenuEntries';
         $translationKeys[] = 'SitesManager_Sites';
         $translationKeys[] = 'CoreHome_ChangeCurrentWebsite';
+        $translationKeys[] = 'General_CreatedByUser';
     }
 }