Merge branch 'mirror-misplaced-button' into 'master'

Fixed misplaced mirror button

The mirror repo button was misplaced on the tags page & made the content below look weird.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/19191

![Screen_Shot_2016-07-07_at_11.35.35](/uploads/d7e87dfeb3491e53342e9e0a1a342f2f/Screen_Shot_2016-07-07_at_11.35.35.png)

See merge request !536

CHANGELOG

@@ -13,6 +13,7 @@ v 8.10.0 (unreleased)
   - Add a new column `artifacts_size` to table `ci_builds` !4964
   - Let Workhorse serve format-patch diffs
   - Make images fit to the size of the viewport !4810
+  - Fixed misplaced mirror repository button on tags page
   - Fix check for New Branch button on Issue page !4630 (winniehell)
   - Fix MR-auto-close text added to description. !4836
   - Fix issue, preventing users w/o push access to sort tags !5105 (redetection)

app/assets/stylesheets/pages/projects.scss

@@ -640,3 +640,19 @@ pre.light-well {
     width: 300px;
   }
 }
+
+.project-mirror-text {
+  @media (min-width: $screen-sm-min) {
+    float: left;
+    line-height: 35px;
+  }
+}
+
+.project-mirror-button {
+  margin-top: 10px;
+
+  @media (min-width: $screen-sm-min) {
+    float: right;
+    margin-top: 0;
+  }
+}

app/views/projects/commits/_mirror_status.html.haml

 - if @project.mirror?
-  .gray-content-block.second-block
-    .pull-right
-      = render "shared/mirror_update_button"
-
+  .prepend-top-default.gray-content-block.second-block.clearfix
     - import_url = @project.safe_import_url
-    .oneline
+    .oneline.project-mirror-text
       This project is mirrored from #{link_to import_url, import_url}.
 
       = render "shared/mirror_status"
@@ -13,3 +10,5 @@
         %span.has-tooltip{data: { html: "true", title: branch_diverged_tooltip_message }}
           = icon('exclamation-triangle')
           This branch has diverged from upstream.
+    .project-mirror-button
+      = render "shared/mirror_update_button"