Restlye project sidebar a bit to make it more clear

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

app/assets/stylesheets/pages/projects.scss

@@ -203,11 +203,16 @@ ul.nav.nav-projects-tabs {
   .well {
     h4 {
       font-weight: normal;
+      margin: 0;
     }
 
     .nav-pills a {
       padding: 10px;
     }
+
+    .nav {
+      margin: 10px 0;
+    }
   }
 }
 

app/views/projects/_aside.html.haml

@@ -10,7 +10,7 @@
         %li= link_to pluralize(number_with_delimiter(@repository.branch_names.count), 'branch'), namespace_project_branches_path(@project.namespace, @project)
         %li= link_to pluralize(number_with_delimiter(@repository.tag_names.count), 'tag'), namespace_project_tags_path(@project.namespace, @project)
 
-      %hr
+      .actions
         = link_to namespace_project_compare_index_path(@project.namespace, @project, from: @repository.root_ref, to: @ref || @repository.root_ref), class: 'btn btn-sm' do
           %i.fa.fa-exchange
           Compare code
@@ -35,7 +35,7 @@
           %li
             = link_to license_url(@project) do
               License
-      %hr
+      .actions
         = link_to url_for_new_issue(@project, only_path: true), title: "New Issue", class: 'btn btn-sm' do
           %i.fa.fa-fw.fa-exclamation-circle
           New issue