refs #466
Anchor links didn't break, when the text was too long. Using `word-break: break-all` specifically on a-tags in post-content fixes this without screwing up other tags and their breaks.
closes#445
- added an fn to sanitize the pathname, that might include a pagination url
- fixed an issue, where the request would still be made if the current page is bigger than max pages
- added comments
refs TryGhost/Ghost#2597
Make Casper work without old body classes `.archive-template`, `.page` and use `.page-template` *only* for pages, as `.post-template` will not be available for pages anymore.