add page to compare path in form, it was always wiki/compare and root page will be compared
fix text area content
don't use attr_protected in rails4
use :data => {:confirm, in rails4 is deprecated
fix deprecation in association for rails4
fix for rails4, use strong parameters, not copy id to version
set rows in textarea, rails4 has no default
fix paginate none in rails4
remove rails4 deprecation
fix scope broken in last commit