basic CRU paths for site articles
added markdown and tokenfield typeahead support
added syntax highlighting to markdown
added new/edit buttons for articles
updated getting started page to have a link to articles index
refactored markdown renderer
styling of articles complete
small updates to UI
added a couple of scenarios to start
added cuke and controller specs
added articles link to navbar, added and refactored cuke steps
added titles to a couple of pages
merged with upstream
couldn't resist, moved _contents to visitors/index.html and added title
reconfigured mailer settings
merged with upstream
added preview button, added a few more scenarios to cukes
added test to mailer_spec and updated the SendGrid credentials
ping to Thomas, implemented one cuke scenario
merged upstream