Fixing RandomQuote bug and others

- RandomQuote bug to disappear when returning from other quotes fixed
- random quote binding changed from list binding to object binding
- current random quote saved across sessions
- 'authorQuotes.gtml' and 'categoryQuotes.html' changed to bind to
single model - Quote model
- list template for random quote removed from 'home.html'
- binding logic put in 'HomeCodeBehind.getRandomQuote' function
- new 'onQuoteChange' function bound to randomQuote for saving changes
in session data
- new 'stopRandomQuote' function  to stop genereting new random quotes
when leaving home page.
- unnecessary code deleted