Initial Sheer newsroom integration
Integrate Sheer Newsroom functionality
Merge from upstream + minor enhancements

- safety-fy the head and dek on article pages
- Don't show author if none is set on article pages

Conflicts:
	newsroom/_single.html
Remove extraneous comments and blank line
Merge pull request #101 from Scotchester/gh-pages

Index and display Newsroom posts