Update headings plus edits for consistency and clarity in End and Admin User Guides

Partial-Bug: #1250515

author: diane fleming

Change-Id: I0ae7f3da1ef0bf9af4900097d527e2cd7b94c966
backport: havana
Fix outstanding conflicting os profiling.

Found a few more instances where child nodes had conflicting os
profiling values to their parent nodes.

Change-Id: I666ea00f15b3d1bd184cd4d907652376c477d74b
backport: havana
Merge "Fix outstanding conflicting os profiling."
Merge "Update headings plus edits for consistency and clarity in End and Admin User Guides"