remove char > on avatar
in header navigation move logout into the user dropdown menu

just a personal preference here - could just revert this committ if
desired
updated about page and global footer
Merge remote-tracking branch 'origin/blaise-v2UI-facebook' into staging
Merge remote-tracking branch 'origin/v2UI-user-asked-new-question' into staging
add og:image to question
Merge remote-tracking branch 'origin/v2UI-facebook' into staging
fix og:image in question
fix og:image