Improve UI for phones

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

app/assets/stylesheets/generic/mobile.scss

@@ -64,6 +64,21 @@
     margin-left: 15px !important;
     max-width: 70% !important;
   }
+
+  .issue-info, .merge-request-info {
+    display: none;
+  }
+
+  .issue-details {
+    .creator,
+    .page-title .btn-close {
+      display: none;
+    }
+  }
+
+  %ul.notes .note-role, .note-actions {
+    display: none;
+  }
 }
 
 @media (max-width: $screen-sm-max) {

app/views/projects/merge_requests/index.html.haml

@@ -4,9 +4,10 @@
     = render 'shared/issuable_search_form', path: namespace_project_merge_requests_path(@project.namespace, @project)
 
     - if can? current_user, :write_merge_request, @project
-      = link_to new_namespace_project_merge_request_path(@project.namespace, @project), class: "btn btn-new pull-left", title: "New Merge Request" do
-        %i.fa.fa-plus
-        New Merge Request
+      .pull-left.hidden-xs
+        = link_to new_namespace_project_merge_request_path(@project.namespace, @project), class: "btn btn-new", title: "New Merge Request" do
+          %i.fa.fa-plus
+          New Merge Request
   = render 'shared/issuable_filter', type: :merge_requests
 .merge-requests-holder
   = render 'merge_requests'

app/views/users/show.html.haml

@@ -13,7 +13,7 @@
       %h3
         = @user.name
         - if @user == current_user
-          .pull-right
+          .pull-right.hidden-xs
             = link_to profile_path, class: 'btn btn-sm' do
               %i.fa.fa-pencil-square-o
               Edit Profile settings