Move features to be next to, rather than inside of, idioms; rename to concepts
Sort documentation subcategories
Move descriptions of data types to data model page
Flatten idioms into one directory
Fix concept URLs
Clean up pages a bit
remove idiom layout
Add tagging to idioms
Put idioms in columns
Fix a bunch of links
Add nav links to section home pages
Fixed a bug in the auto-linker, fixed a javascript error
Merge branch 'site_reorg' of https://github.com/STIXProject/stix-documentation into site_reorg
Add Data model dropdown
content/layout changes to homepage, layout changes to idioms, menu fix
Clean up idiom page
Merge branch 'idiom_homepage_redesign' into site_reorg
Add caret to Data model dropdown in nav bar
Add link controlled vocabs concept
merge from site_reorg while keeping walkthru link active