Merge pull request #115 from sandriu/master

Refs #2075: custom colours for news profile image caption
reset h3 font-size for News-type teasers
Merge remote branch 'upstream/master'
correct max width for images on 2-column pages
Add css classes to Learn About Menu
Merge remote branch 'upstream/master'
Remove carousel from publication image
Add instrument logo to profile page
Merge remote branch 'upstream/master'
center publication thumbnail on publication profile
Refs #1992: arrange instrument logo in instrument profile