Use marked for News Item Summarys and Comments
Merge remote-tracking branch 'upstream/master'

Conflicts:
	package.json
	views/news/show.jade
Fix Markdown in Summary
Sanitize Markdown
set newsItemsPerPage as a global variable
minor code style fixes
Add pagination
make page buttons smaller
Already checking if it's a number, this is unneeded
remove uneeded check
fixed ajax vote increment issue - fixes #203
Clarify setup instructions and fix lint errors.
added sessionstorage.js
added class, id to index.jade for comment links
I was wrong, I did need those checks
Merge branch 'master' into news-pages

* master:
  lowercase No comments so that it fits with the sentence structure
  Fix flash method to not overlap content at top
fix unrelated js error causing build to break
added callback to add latest comment time to news items
added latest comment time data object to index view
added sessionstorage.js to layout.jade