Fix Doc Index bug in production [1/2]

Minor fix that was blocking the help index from being rendered in production mode.


 .../app/assets/stylesheets/_layout.sass            |    5 ++++-
 crowbar_framework/app/models/jig.rb                |    1 +
 crowbar_framework/app/models/node_role.rb          |    2 +-
 .../config/initializers/documentation.rb           |    4 ++--
 4 files changed, 8 insertions(+), 4 deletions(-)

Crowbar-Pull-ID: d8cb572698b76f690f9024f11a53c5521a628a23

Crowbar-Release: development