Title tweak for consistency - image guide

bug: #1178388

Change-Id: I2f59b97e67538a3b38fa5e0a5715341c4b03c127
author: diane fleming
tweaked title for consistency - networking admin guide

bug: #1178388

Change-Id: Ie1d1c48652774af01322e8516ec6ada1edf3d49f
author: diane fleming
Merge "tweaked title for consistency - networking admin guide" into stable/grizzly
Merge "Title tweak for consistency - image guide" into stable/grizzly