add ticket #4168 to version history item and update defn of knob
GSI_DELEGATION_KEYBITS
edit 8.0.6 version history item #4185
Merge branch 'V8_0_6-branch' into V8_0-branch
Merge branch 'V8_0-branch' into V8_1_4-branch
Merge branch 'V8_1_4-branch'