Initial ugoira support

* Added in ugoira support that works with drag scrolling, resizing, and hidden posts.
Escaped attribute cleanup
Change embedded ugoira script into a function

There doesn't seem to be any benefit to keeping the script embedded (saving the page, etc) so I've changed it over to a function.
Version 6.4
Version 6.4
Version 6.4
Version 6.4 (Slight text change)
Merge pull request #41 from pseudonymous/ugoira-support

Version 6.4