[30171][30170] Add board view by default

- Add show permission to all roles
- Add to default settings

config/settings.yml

@@ -284,6 +284,7 @@ default_projects_modules:
   serialized: true
   default:
   - calendar
+  - board_view
   - work_package_tracking
   - news
   - time_tracking

db/migrate/20190507132517_add_board_view_to_roles.rb

@@ -0,0 +1,20 @@
+class AddBoardViewToRoles < ActiveRecord::Migration[5.2]
+  def up
+    Role
+      .joins(:role_permissions)
+      .where("role_permissions.permission = 'view_work_packages'")
+      .references(:role_permissions)
+      .find_each do |role|
+
+      role.add_permission! :show_board_views
+    end
+
+    unless Setting.default_projects_modules.include?('board_view')
+      Setting.default_projects_modules = Setting.default_projects_mdoules + ['board_view']
+    end
+  end
+
+  def down
+    # Nothing to do
+  end
+end