Added version indicator
Disabled links when the certificate/improvements sections don't show

This doesn't seem to have any effect on appearance; need fixes in
bootstrap to change the styling on inverse menu bars
Changed levels; revised legal questions

Also some minor changes to the layout of the form
Changed 'person or organisation' to just 'person' in privacy questions
work on practical & technical questions
more work on practical & technical questions
added paging through tabs
improved display of improvements
fixes to yes/no requirement support
slight restyling of questionnaire
better ways of indicating the labels in the help section
added questions about schemas and codelists
Changed "established" to "exemplar"
Changed questions around using external URIs
Changed "URI" to "URL" throughout
Switched order of yes/no radio buttons

When walking through the questionnaire, the fact that the label (eg
"Exemplar") was next to the "No" answer made the respondent think that
"No" was the required answer.
Merged from master and updated documentation