Ensure the webhelp build task runs from Ant editor
ian's feedback
Merge pull request #629 from debrief/faetures/ian/cheat_sheet_tidying

Cheat sheet tidying
increment versions for new formal build
introduce reduced size favicons, use in WebHelp
Fix so that resize does fit to window
Merge pull request #631 from debrief/features/ian/favicon

introduce reduced size favicons, use in WebHelp
Merge pull request #632 from debrief/issue630

Fix so that resize does fit to window
correct case of image file types
ignore the output directory
produce custom stylesheet for oxygen webhelp
Update copyright
try to include keyword count
introduce disqus commenting
Merge pull request #633 from debrief/webhelp_tidying

Webhelp tidying
initial (vanilla) version
debrief-specific transforms
more fixes for the font, the note/tip stuff, plus preformatted code
switch to image of new (updated) Debrief
add new, smaller top-left logo