small change in opening
small change
removing redundant content
addressing Berriman comments
changing bib to vancouver style
updates to structure overall, a few other changes scattered
remove vancouver.bst from top level

it's already in the directory where it's needed
vancouver style bib entries for webpages
small fixes
removing some authors who haven't been involved
fixing DOI to print by using URLs
improve the flow of text and cleanup
quotes
Adding introduction to section 6.