Fix invalid link to ZeroTurnaround site.
Merge pull request #12 from bura/fix-bad-zero-link

Fix invalid link to ZeroTurnaround site.
episode 53
ruby version
updated episodes links
slightly modified styles
optimized images
slightly improved pages load based on PageSpeed recommendations
optimized images
episode 54 + fixed links in previous episodes
episode 55
libsyn file links
fixed link for Java Concurrent Animated
added broadcast page
Fixed typo
Merge pull request #18 from vitalidze/patch-1

Fixed typo
episode 56
Fix geekout.ee link
Fixed typo

Сслыка -> Ссылка
Merge pull request #19 from VladimirRP/patch-1

Fixed typo