Merge branch 'refactor/css' of dev.gitlabhq.com:gitlab/gitlabhq

diff --cc app/views/commits/_diffs.html.haml
index 5294d19,07c37d1..76f9f26
--- 1/app/views/commits/_diffs.html.haml
--- 2/app/views/commits/_diffs.html.haml
+++ b/app/views/commits/_diffs.html.haml
@@@ -1,7 -1,7 +1,7 @@@
  - if @suppress_diff
-   .alert-message.block-message
+   .alert.alert-block
      %p
 -      %strong Warning! Large commit with more then #{Commit::DIFF_SAFE_SIZE} files changed.
 +      %strong Warning! Large commit with more than #{Commit::DIFF_SAFE_SIZE} files changed.
      %p To prevent performance issue we rejected diff information.
      %p
        But if you still want to see diff