The files section is broken beyond repair, and XBMC's API doesn't support anything
that would make this section useful.

(Issue #43)
Remove unused XBMCScanContent function from include/xbmc.js
Remove scraper artwork as it's no longer used.
Remove unused tree grid extension.
Update change log for issue #65.
Merge pull request #65 from fyfe/anti-feature-kill-file-section

fif: Remove the file section thx fyfe
The actor section is broken beyond repair, and XBMC's API doesn't support anything
that would make this section useful.
Remove unused FindCRC function.
Remove unused functions from include/xbmc.js
Remove menu links to actors section.
Update change log for issue #66.