Add internalization to group settings > projects page buttons

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/views/groups/projects.html.haml

@@ -12,9 +12,9 @@
     - @projects.each do |project|
       %li.project-row{ class: ('no-description' if project.description.blank?) }
         .controls
-          = link_to 'Members', project_project_members_path(project), id: "edit_#{dom_id(project)}", class: "btn"
-          = link_to 'Edit', edit_project_path(project), id: "edit_#{dom_id(project)}", class: "btn"
-          = link_to 'Remove', project, data: { confirm: remove_project_message(project)}, method: :delete, class: "btn btn-remove"
+          = link_to _('Members'), project_project_members_path(project), id: "edit_#{dom_id(project)}", class: "btn"
+          = link_to _('Edit'), edit_project_path(project), id: "edit_#{dom_id(project)}", class: "btn"
+          = link_to _('Remove'), project, data: { confirm: remove_project_message(project)}, method: :delete, class: "btn btn-remove"
 
         .stats
           %span.badge.badge-pill