Added config var for listenPort (still 3000 by default) rather than hard-coding; add basic error template and globel stylesheet; fix crash when ffprobe cant stat a file for playfile view (pass empty array rather than undefined obj)
Added super-basic initial stylesheet example; replaced funky word-style quotes from pasting Google data-cast-api-enabled line with standard ascii quotes
Merge pull request #11 from Rylab/master

Added basic stylesheet and error view, made code style consistent, fixed playfile crash when no access