Refactor the browser performance testing docs
Refactor the browser performance testing docs

From my experience in setting this up
https://gitlab.com/gitlab-com/gitlab-docs/merge_requests/231/diffs

jirutka/gitlabhq,dreampet/gitlab,dreampet/gitlab,axilleas/gitlabhq,axilleas/gitlabhq,dreampet/gitlab,iiet/iiet-git,axilleas/gitlabhq,jirutka/gitlabhq,jirutka/gitlabhq,iiet/iiet-git,dreampet/gitlab,mmkassem/gitlabhq,mmkassem/gitlabhq,mmkassem/gitlabhq,stoplightio/gitlabhq,jirutka/gitlabhq,stoplightio/gitlabhq,stoplightio/gitlabhq,iiet/iiet-git,iiet/iiet-git,mmkassem/gitlabhq,axilleas/gitlabhq,stoplightio/gitlabhq