No pagination if there is only one page.
Lowercase all tags
Merge branch 'master' of https://github.com/Q42/q42.nl
Merge branch 'develop' of https://github.com/Q42/q42.nl
List only posts with a title in the sidebar.
Check Tumblr when a user visits the blog index, and at most every minute.
Merge pull request #8 from sjoerdvisscher/master

blog improvements