Workaround for an apparent DTCoreText bug that incorrectly positioned some images.
Fix for inline styles being incorrectly stripped from html.
Since we're sizing the image with an offset, let the mediaviews internal image match the mediaview's background color so we don't get margins.
Fixes an issue with the mediaview backgrounds.
Support emoji in the reader post detail.
Fix an issue where some summaries were the full post content and not exerpts.