Issue #2143089 by imadalin, yched, dawehner, harsha012, Wim Leers, c.nish2k3,...

Issue #2143089 by imadalin, yched, dawehner, harsha012, Wim Leers, c.nish2k3, bradjones1, damiankloip, xjm: Clean up normalizer parameter and variable names to use 'field_items' consistently etc

(cherry picked from commit fb3c8d4e)