added backend and routes for document
backend for documents
documents tests passing
fixed tests and css
added delete action with tests
remove unnecessary helper
allow user to type text and interpret it as html by the browser
rename markdown files
allow user to use markdown also when editing an article
show markdown as html in the documents show page
add specs for testing the markdown convertions
Added headless
rebuilt gemfile
display alert messages in the welcome layout
some samll tweaks after rebasing master
some tweaks after rebasing master
Fixed headless
some tweaks after rebasing master
Merge pull request #25 from tangosource/feature/as-a-user-i-should-be-able-to-use-markdown-in-my-document

feature/as-a-user-i-should-be-able-to-use-markdown-in-my-document
added backend tests for documents