added webprotege exercise files for attendees
updated title and removed logo
removed header and logo map
cleaned up formatting
removed unused javascript
removed footer
cleaned up formatting
removed undefined css styles
corrected link to stylesheet, added closing div
cleaned up formatting
cleaned up formatting
cleaned up formatting
restored header code
restored footer code
minor textual edits
corrected link to stylesheet
replaced old header code with new
replaced old footer code with new
cleaned up formatting
updated page title