Replaces generated rss relative paths with absolute URLs.
Adds published tag to rss and explicit modDate to tags.
Documents new tags for publication/modification date.
Merge pull request #25 from gradha/pr_absolute_rss_links

Replaces generated rss relative paths with absolute URLs.
Merge branch 'master' of github.com:dom96/ipsumgenera

Conflicts:
	layouts/atom.xml