Add docs_number
Fix OS detection
Add gp_article docs piece (only admin side)
Remove disused attribute
Add gp_article docs piece public side
Add links in bodies to doc detail page
Add link check to doc edit page
Update gems
Show menu buttons when validation error also
Move links_check into model
Change link "name" to "body"
Add link check to new doc
Now always check links before save
Fix link checking
Specialize button name
Fix spec
Add links to doc
Save links in doc for global link checking
Add image resize option
Add backlinks