Rename celia-cole.markdown to 01-celia-cole.markdown
Rename jc-dwyer.markdown to 02-jc-dwyer.markdown
markdownify job collection body content when outputting to page - closes #132
updated help page to be markdown instead of html. also re-jiggered inclusion of zip widget on page to use frontmatter variable "zip-widget: true". also updated zip widget to direct to help anchor on zip detail page when it is on the help page. #135, modifies #99, closes #117
updating all possible index.html files to index.md #135