Ensure that blog summaries don't exceed a few sentences
Re-classify some blog posts as announcements
Fix attribution links in Core Vim Class testimonials
Fix a broken link: /blog/* -> /announcements/*
Fix or remove dead links

Found 404 and 500 status pages using Integrity.app
    https://itunes.apple.com/gb/app/integrity/id513610341?mt=12
Create a placeholder /tipjar page
Add missing transcripts for episodes #8 and #13
Create projections for helper files
Align pubdate with title on article listings
Humanise category names such as "Copy and Paste" and "Practical Vim"
tags: s/articles/Essays
Allow human-friendly tag names; hide tags unless used 2+ times
Curate list of categories, discarding and merging where apt
Remove checkerboard styles from /categories listing
Make categories listing 3-wide block grid; use sass-mixins
Fix /category/:tag layout by un-nesting grid rows
Break name+usage in two for category-aggregate titles
s/video/screencast/ when summarising category usage
Simplify the top-level navigation
Navigation links can have "active" or "open" classes