HTML fixes for JavaFormatter

- Fixed JavaScript errors by adding jQuery
- Updated HTML (added header and article tags) because some bindings
defined in fitnesse.js failed. The collapsible on the result page will
work again.
HTML fixes for JavaFormatter

Forget to commit failing Unit test
Moved static files to folders

The arrows didn't show because the relative paths were incorrect. By
moving the static files to folders it works as expected.
2-space indent fix

Now using 2-space indent instead of 4-spaces
Beginnings of version compare
Addition of VersionComparerResponder
Working version comparer

A working version of the version comparer albeit looking drab
Improve layout
More improvements to diff look
Merge branch 'work' into version_diffs
Add navigation to compare page
Remove antf file. Not used.
Removed ChangeLog file. Use FitNesse.ReleaseNotes wiki page instead.
Remove old intellij iws file.
Removed references of Virtual Wiki from the User guide and acceptance tests.
Remove virtual wiki code from (save-) properties responder
Remove virtual page dependency from FitNesseUtil.
Removed VirtualEnabledPageCrawler.
Removed VirtualCouplingExtension and VirtualCouplingPage.
removed Extension et al