Allow pdf, html and dtp 'make' targets to be called directly.
Revert undesirable behaviour in makefile.
Modify format of abstract, headings and footnotes.
Add code for headers and footers.
Add code for formatting the title  page.
Add option to have numbered pages.
Fix typesetting of date in draft status notices.
Add formatting for lists and boxouts.
Change colours used for syntax highlighting to match house style.
Update sample content in the light of changes to class file.