Completely rework the navigation

Get rid of the admin layout
Get rid of the navbar custom style, use bootstrap-sass variables instead
Get rid of all the scaffold files

app/controllers/admin/callforpapers_controller.rb

@@ -1,6 +1,5 @@
 class Admin::CallforpapersController < ApplicationController
   before_filter :verify_organizer
-  layout "admin"
 
   def show
     @cfp = @conference.call_for_papers

app/controllers/admin/conference_controller.rb

@@ -1,6 +1,5 @@
 class Admin::ConferenceController < ApplicationController
   before_filter :verify_organizer
-  layout "admin"
 
   def index
     @conferences = Conference.all
@@ -31,6 +30,7 @@ class Admin::ConferenceController < ApplicationController
   end
 
   def show
+    @conferences = Conference.all
     @conference = Conference.find_all_by_short_title(params[:id]).first
     respond_to do |format|
       format.html

app/controllers/admin/dietchoices_controller.rb

@@ -1,6 +1,5 @@
 class Admin::DietchoicesController < ApplicationController
   before_filter :verify_organizer
-  layout "admin"
 
   def show
     render :diets_list

app/controllers/admin/emails_controller.rb

@@ -1,6 +1,5 @@
 class Admin::EmailsController < ApplicationController
   before_filter :verify_organizer
-  layout "admin"
 
   def update
     @conference.email_settings.update_attributes(params[:email_settings])

app/controllers/admin/events_controller.rb

@@ -1,6 +1,5 @@
 class Admin::EventsController < ApplicationController
   before_filter :verify_organizer
-  layout "admin"
   # FIXME: The timezome should only be applied on output, otherwise
   # you get lost in timezone conversions...
   # around_filter :set_timezone_for_this_request

app/controllers/admin/eventtype_controller.rb

@@ -1,6 +1,5 @@
 class Admin::EventtypeController < ApplicationController
   before_filter :verify_organizer
-  layout "admin"
 
   def show
     render :event_type_list

app/controllers/admin/people_controller.rb

@@ -1,6 +1,5 @@
 class Admin::PeopleController < ApplicationController
   before_filter :verify_organizer
-  layout "admin"
 
   def index
     @people = Person.all

app/controllers/admin/registrations_controller.rb

@@ -1,6 +1,5 @@
 class Admin::RegistrationsController < ApplicationController
   before_filter :verify_organizer
-  layout "admin"
 
   def show
     session[:return_to] ||= request.referer

app/controllers/admin/rooms_controller.rb

@@ -1,6 +1,5 @@
 class Admin::RoomsController < ApplicationController
   before_filter :verify_organizer
-  layout "admin"
 
   def show
     render :rooms_list

app/controllers/admin/social_events_controller.rb

@@ -1,6 +1,5 @@
 class Admin::SocialEventsController < ApplicationController
   before_filter :verify_organizer
-  layout "admin"
 
   def show
     render :social_events_list

app/controllers/admin/supporter_levels_controller.rb

@@ -1,6 +1,5 @@
 class Admin::SupporterLevelsController < ApplicationController
   before_filter :verify_organizer
-  layout "admin"
 
   def show
     render :supporter_levels

app/controllers/admin/supporters_controller.rb

@@ -1,6 +1,5 @@
 class Admin::SupportersController < ApplicationController
   before_filter :verify_organizer
-  layout "admin"
 
   def index
     respond_to do |format|

app/controllers/admin/tracks_controller.rb

@@ -1,6 +1,5 @@
 class Admin::TracksController < ApplicationController
   before_filter :verify_organizer
-  layout "admin"
 
   def show
     respond_to do |format|

app/controllers/admin/users_controller.rb

@@ -1,6 +1,5 @@
 class Admin::UsersController < ApplicationController
   before_filter :verify_admin
-  layout "admin"
 
   def index
     @users = User.all(:joins => :person,

app/controllers/admin/venue_controller.rb

@@ -1,6 +1,5 @@
 class Admin::VenueController < ApplicationController
   before_filter :verify_organizer
-  layout "admin"
 
   def index
   end