changes needed for new home

[zelig]

• top menu:
  • papers -> research,
  • talks and media -> videos, media separately
  • instead of contact list, just contact and add twitter, stackoverflow link, same as for summit site
  • get rid of current contact footer
  • separate entry for Documentation
  • new item 'projects' linking to projects section
  • remove video and pdf column to beremoved from videos section, use two icons instead
  • remove video and pdf columns from media tab
• Introduce Documentation section, link to basic tutorials
• introduce Status/Code section
• carry over Friends section of the summit site with logos etc
• add icons to the feature boxes in the basics section
• projects section; new section detailing the projects see https://github.com/ethersphere/swarm/wiki/roadmap#projects

[cobordism]

add link to example dapps ('dapp store") page

add link to orange summit site prominently at the top (at least temporarily - it's the News of the month )