Merge branch 'gh-pages' of https://github.com/cngo-github/c4hrva-landing into cngo-github-gh-pages

Conflicts:
	index.html
added devlicious and codebetter logos.
added devlicious and codebetter logos.
Merge pull request #72 from wbprice/gh-pages

adding sponsor logos
Update devlicio.us link
remove Resource link to CityCamp blog and edit venue info
simplify preamble
trim header and change color
Merge branch 'gh-pages' of https://github.com/wbprice/c4hrva-landing into gh-pages

Conflicts:
	index.html
Merge branch 'gh-pages' of https://github.com/c4hrva/c4hrva-landing into gh-pages
revert style of presenter images on desktop.
Merge pull request #74 from wbprice/gh-pages

revert style of speaker section on desktop
add additional sponsor logos

add udig, grow, modis logos. shrink inmotion logo to match other 2nd
tier donors.
increase container width for sponsors section
Merge pull request #77 from wbprice/additional-sponsors

Additional sponsors
add additional sponsor logos

add udig, grow, modis logos. shrink inmotion logo to match other 2nd
tier donors.
increase container width for sponsors section
add additional challenges/activities

add open data policy inventory, scraper, policy challenges and
activities.
Merge pull request #78 from wbprice/additional-challenges

Additional challenges
fix logo sizes