/usr/ is in fusionforge-plugin-contribtracker 6.0.3+20151023-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/fusionforge-plugin-contribtracker/
/usr/share/doc/fusionforge-plugin-contribtracker/copyright
/usr/share/fusionforge/
/usr/share/fusionforge/post-install.d/
/usr/share/fusionforge/cronjobs/
/usr/share/fusionforge/plugins/
/usr/share/fusionforge/plugins/contribtracker/
/usr/share/fusionforge/plugins/contribtracker/db/
/usr/share/fusionforge/plugins/contribtracker/db/contribtracker-init.sql
/usr/share/fusionforge/plugins/contribtracker/etc/
/usr/share/fusionforge/plugins/contribtracker/etc/contribtracker.ini
/usr/share/fusionforge/plugins/contribtracker/INSTALL
/usr/share/fusionforge/plugins/contribtracker/common/
/usr/share/fusionforge/plugins/contribtracker/common/ContribTrackerPlugin.class.php
/usr/share/fusionforge/plugins/contribtracker/common/contribtracker-init.php
/usr/share/fusionforge/plugins/contribtracker/www/
/usr/share/fusionforge/plugins/contribtracker/www/project_admin.php
/usr/share/fusionforge/plugins/contribtracker/www/index.php
/usr/share/fusionforge/plugins/contribtracker/www/actor_logo.php
/usr/share/fusionforge/plugins/contribtracker/www/global_admin.php
/usr/share/doc/fusionforge-plugin-contribtracker/changelog.Debian.gz