Export multiple docs & superimposed directory hierarchy

 crowbar_framework/app/assets/javascripts/doc.js    |   18 ++++++++++++
 crowbar_framework/app/assets/stylesheets/_doc.sass |    8 ++++++
 .../app/assets/stylesheets/application.sass        |    1 +
 .../app/controllers/docs_controller.rb             |    8 ++++++
 crowbar_framework/app/models/doc.rb                |   29 ++++++++++++++++----
 crowbar_framework/app/views/docs/_tree.html.haml   |    1 +
 crowbar_framework/app/views/docs/export.html.haml  |    2 ++
 crowbar_framework/app/views/docs/index.html.haml   |    6 ++++
 crowbar_framework/config/locales/crowbar/en.yml    |    3 ++
 crowbar_framework/config/routes.rb                 |    2 +-
 doc/devguide/documentation.md                      |   19 ++-----------
 11 files changed, 74 insertions(+), 23 deletions(-)

Crowbar-Pull-ID: 686fa424748026c9808bff84bd4b1bdbfa01247b

Crowbar-Release: development