Watch files downloaded by the Static Server and add CSS files to the live doc.  Work in progress.
fixed relatedDocuments list
fixed a bug and some jslint errors.
modified reloadCSS function per NJ.  Flickering in Chrome not resolved.
removed adding Live CSS document in onDocumentChange, it's redundant now.  Some minor cleanup.
support CSS loaded through @import.  See the notes in the code.  It's a hacky solution for now, also does not work in Firefox.
fixing jslint issues.
fixed a typo in websocket onclose
clear prior loadPage timers.
merging small changes from feature4