Add warning if user own projet but not in team. Also show loading when merge MR

app/views/layouts/project_resource.html.haml

@@ -6,6 +6,9 @@
     = render "layouts/head_panel", title: project_title(@project)
     - if can?(current_user, :download_code, @project)
       = render 'shared/no_ssh'
+
+    - unless @project.users.include?(current_user)
+      = render 'shared/not_in_team'
     .container
       %ul.main_menu
         = nav_link(html_options: {class: "home #{project_tab_class}"}) do

app/views/shared/_not_in_team.html.haml

@@ -0,0 +1,2 @@
+%p.error_message.centered
+  You won't be able to use git over ssh until you join project on #{link_to 'team page', project_team_index_path(@project)}