Widget Visibility: update wording for the logged in condition

"Logged In" and Logged Out" sound better than "yes" and "no" imo
See #826
Add master user details to the debug page.
Merge pull request #1172 from jeherve/update/widget-visibility-loggedin-wording

Widget Visibility: update wording for the logged in condition
Open Graph: add AIOSEO back to the list of conflicting plugins
Merge pull request #1202 from jeherve/add/aioseo-og-tags-conflict

Open Graph: add AIOSEO back to the list of conflicting plugins