only show top-level keys, show formatting for content and some style adjustments
removed some headers, made fragment keys links
can highlight selected fragments, changed ui for highlighting
fixed bug with fragment markers at the end of expander not showing up
added title to creation of expander
added migration for titles and display titles instead of keys
deletion working
fixed deletion for top level nodes
changed template to use markdown instead of pre when displaying an expander
changed markdown back to pre since indexing is off
changed layout to two column, added an editor template
copy of expander created when editing
changed editor field to only be rendered when editing
added editor files to repo and rakefile, edit textarea bound to editingExpander
removed dead code
rmeoved dead code