[#6541] Added AuditLog on GC tracker import

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#6541] Added audit log on project import

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#6541] Added import_id and AuditLog to Trac ticket importer

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#6541] Added import_id and AuditLog to GC repo importer

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>