Fix links to GitLab cloud
minor language fixes
Add UI for downloading various archive formats.

Change the “Download” button to a split button with options for zip and
tar.gz.
Added download option to tree view.
Merge pull request #5969 from jhollingsworth/feature/zip-archive-ui

Add UI for downloading various archive formats.
Use css truncation instead of rails

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Merge branch 'fix_links_to_gitlab_cloud' of /mnt/ebs/repositories/razer6/gitlab-ce
Merge branch 'hooks_spelling' of /mnt/ebs/repositories/mmoll/gitlab-ce
Dont render README with markup if format is not compatible

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
New entries in changelog for 6.5
Merge branch 'xss/readme' of /home/git/repositories/gitlab/gitlabhq
Merge branch 'master' of gitlab.com:gitlab-org/gitlab-ce