Configure OSEM via environment variables

Instead of reading a yaml file we get configuration from the
environment.

app/views/conference_registrations/_form.html.haml

@@ -11,7 +11,7 @@
         %legend
           %span
             =link_to('#signup', role: 'tab', "aria-controls" => "home", "data-toggle" => "tab") do
-              = CONFIG['name']
+              = ENV['OSEM_NAME'] || 'OSEM'
               Account
           %span.pull-right#account-already
             =link_to('#signin', role: 'tab', "aria-controls" => "home", "data-toggle" => "tab") do

app/views/devise/shared/_sign_in_form_embedded.html.haml

@@ -1,4 +1,4 @@
-- if !CONFIG['authentication']['ichain']['enabled']
+- if ENV['OSEM_ICHAIN_ENABLED'] == 'true'
   = form_tag(new_user_session_path, class: 'form-horizontal') do
     %legend
       %span

app/views/layouts/_navigation.html.haml

@@ -7,7 +7,7 @@
         %span.icon-bar
         %span.icon-bar
         %span.icon-bar
-      = link_to CONFIG['name'], root_path, class: 'navbar-brand', title: 'Open Source Event Manager'
+      = link_to (ENV['OSEM_NAME'] || 'OSEM'), root_path, class: 'navbar-brand', title: 'Open Source Event Manager'
     .collapse.navbar-collapse
       - if content_for :splash_nav
         %ul.nav.navbar-nav#splash-nav
@@ -43,7 +43,7 @@
                       %li= link_to 'See all Comments', admin_comments_path(anchor: 'all_comments')
       - else
         %ul.nav.navbar-nav.navbar-right
-          - if CONFIG['authentication']['ichain']['enabled']
+          - if ENV['OSEM_ICHAIN_ENABLED'] == 'true'
             %li{:class=> "#{active_nav_li(new_ichain_registration_path('user'))}"}
               = link_to(new_ichain_registration_path('user')) do
                 %span.fa.fa-heart
@@ -59,7 +59,7 @@
               Sign In
               %span.caret
             .dropdown-menu{:style => "padding: 17px; min-width: 225px;"}
-              - if CONFIG['authentication']['ichain']['enabled']
+              - if ENV['OSEM_ICHAIN_ENABLED'] == 'true'
                 = form_tag User.ichain_login_url do
                   = text_field_tag 'username', nil, id: 'user_ichain_email_dd', placeholder: 'Username'
                   = password_field_tag 'password', nil, id: 'user_ichain_password_dd', placeholder: 'Password'

app/views/layouts/_user_menu.html.haml

@@ -1,4 +1,4 @@
-- unless CONFIG['authentication']['ichain']['enabled']
+- unless ENV['OSEM_ICHAIN_ENABLED'] == 'true'
   %li
     = link_to(edit_user_registration_path) do
       %span.fa.fa-wrench
@@ -13,7 +13,7 @@
       %span.fa.fa-comment
       My Submissions
 %li
-  - if CONFIG['authentication']['ichain']['enabled']
+  - if ENV['OSEM_ICHAIN_ENABLED'] == 'true'
     = link_to(destroy_user_ichain_session_path, :method=>'delete') do
       %span.fa.fa-minus
       Sign out

app/views/layouts/application.html.haml

@@ -2,7 +2,7 @@
   %head
     %meta{:charset => "utf-8"}
     %meta{:name => "viewport", :content => "width=device-width, initial-scale=1, maximum-scale=1"}
-    %title= content_for?(:title) ? yield(:title) : CONFIG['name']
+    %title= content_for?(:title) ? yield(:title) : (ENV['OSEM_NAME'] || 'OSEM')
     %meta{:content => "", :name => "description"}
     %meta{:content => "", :name => "author"}
     = stylesheet_link_tag "application", :media => "all"
@@ -11,7 +11,7 @@
     = csrf_meta_tags
     :javascript
       window.liveSettings = {
-        api_key: "#{CONFIG['transifex_live_api_key']}",
+        api_key: "#{ENV['OSEM_TRANSIFEX_APIKEY']}",
         picker: "bottom-right",
         detectlang: true,
         autocollect: true

app/views/layouts/schedule.html.haml

@@ -3,7 +3,7 @@
   %head
     %meta{:charset => "utf-8"}
     %meta{:name => "viewport", :content => "width=device-width, initial-scale=1, maximum-scale=1"}
-    %title= content_for?(:title) ? yield(:title) : CONFIG['name']
+    %title= content_for?(:title) ? yield(:title) : (ENV['OSEM_NAME'] || 'OSEM')
     %meta{:content => "", :name => "description"}
     %meta{:content => "", :name => "author"}
     = stylesheet_link_tag "/stylesheets/schedule/jquery-ui-1.9.2.custom.min"
@@ -17,4 +17,4 @@
     = yield(:head)
   %body
     .content
-      = yield
+      = yield

app/views/proposal/new.html.haml

@@ -12,7 +12,7 @@
         %legend
           %span
             =link_to('#signup', role: 'tab', 'aria-controls' => 'home', 'data-toggle' => 'tab') do
-              = CONFIG['name']
+              = ENV['OSEM_NAME'] || 'OSEM'
               Account
           %span.pull-right#account-already
             =link_to('#signin', role: 'tab', 'aria-controls' => 'home', 'data-toggle' => 'tab') do