image and content updates

Done:
- meta description tag added (not keyword tag)
- renamed landing page images to use keywords
- updated image alts
- reenabled carousel slide on 10s interval
- now using same landing page images on both version of the site
- added team photos and bios to team page (have all photos)
- added copyright notice to footer for use of randomuser.me photos


In Progress:
- Team page (still need 2 bios)
- Landing page copy review and update
- FAQ page
- Demo video