Spacing improvements
Fix .description layout when there are no <p>'s
Copy-editing and formatting fixes
Remove some unused files
Restructure front page sections
Reduce redundancy on example pages

Continue to list the other examples at the bottom of the example pages,
but restrict the other sections (Download, Install, etc.) to the index
page.

Closes #2.
Fix typo
Merge branch 'master' of github.com:openseadragon/site-build into cleanups2

Conflicts:
	www/tilesource-collection.html
Merge pull request #11 from bgilbert/cleanups2

Large site fixes