Update index.html.md

Update index.html.md for reflect GitLab.com running rvm 2.3.3 now instead of 2.3.1

Update index.html.md for reflect GitLab.com running rvm 2.3.3 now instead of 2.3.1

Let's assign to @rspeicher as I can't really comment on this stuff.

assigned to @rspeicher

LGTM.

merged

mentioned in commit 0d0c8d10