Merge branch 'dashboard-misaligned-buttons' into 'master'

Fixed mis-aligned buttons on dashboard/issues

Before:

![](/uploads/35e413f2a5273bcdb1cc9ab20fa8d923/Screen_Shot_2016-02-22_at_10.15.39_PM.png)

After:

![Screen_Shot_2016-02-23_at_08.45.12](/uploads/4fbba0650ea6005b1cd600b5038f91d1/Screen_Shot_2016-02-23_at_08.45.12.png)


See https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/2921#note_3868715

See merge request !2932

app/assets/stylesheets/framework/common.scss

@@ -381,6 +381,7 @@ table {
 }
 
 .project-item-select-holder {
+  display: inline-block;
   position: relative;
 
   .project-item-select {