added all ambassador pictures except gorman
added padding to ambassador pictures
SEO: title and description updates
add ambassador images
Merge branch 'communities-addition' of https://github.com/jlcohoon/centerforopenscience.org

Conflicts:
	www/involved_opportunities.mako
	www/static/css/custom.css
Merge branch 'master' of http://github.com/katycain526/centerforopenscience.org into communities-addition

# By Katy Cain
# Via Katy Cain
* 'master' of http://github.com/katycain526/centerforopenscience.org:
  SEO: title and description updates

Conflicts:
	www/index.mako
	www/involved_opportunities.mako
Merge branch 'communities-addition' of https://github.com/jlcohoon/centerforopenscience.org into staging
committing everything
Merge branch 'master' of https://github.com/mckidwell/centerforopenscience.org
Merge branch 'staging' of https://github.com/erinspace/centerforopenscience.org
Merge branch 'master' of https://github.com/mckidwell/centerforopenscience.org into mallory-changes

Conflicts:
	www/index.mako