UI Improvement for the project page

This commit improves the positioning of the dropdown menu on the project page.

CHANGELOG

 Please view this file on the master branch, on stable branches it's out of date.
 
 v 8.0.0 (unreleased)
+  - Improve dropdown positioning on the project home page (Hannes Rosenögger)
   - Upgrade browser gem to 1.0.0 to avoid warning in IE11 compatibilty mode (Stan Hu)
   - Fix "Reload with full diff" URL button in compare branch view (Stan Hu)
   - Remove user OAuth tokens from the database and request new tokens each session (Stan Hu)

app/assets/stylesheets/pages/projects.scss

@@ -30,6 +30,10 @@
     }
   }
 
+  .project-home-dropdown {
+    margin: 11px 3px 0;
+  }
+
   .project-home-desc {
     h1 {
       margin: 0;

app/views/projects/buttons/_dropdown.html.haml

@@ -2,7 +2,7 @@
   %span.dropdown
     %a.dropdown-toggle.btn.btn-new{href: '#', "data-toggle" => "dropdown"}
       = icon('plus')
-    %ul.dropdown-menu
+    %ul.dropdown-menu.dropdown-menu-right.project-home-dropdown
       - if can?(current_user, :create_issue, @project)
         %li
           = link_to url_for_new_issue do