[Developer-portal] Content update

Hi everyone! There is a new content update on staging: - new subsection: Scientific Python Stack[1] - update Ruby On Rails installation commands[2] Please check the changes for possible errors. Thank you! [1] https://developer.stg.fedoraproject.org/tech/languages/python/scipy.html [2] https://developer.stg.fedoraproject.org/tech/languages/ruby/ror-installat... (Use the staging website only for review, please.) Pavel Valena Associate Software Engineer Brno, Czech Republic RED HAT | TRIED. TESTED. TRUSTED. All of the airlines in the Fortune Global 500 rely on Red Hat. Find out why at Trusted | Red Hat <http://www.redhat.com/en/about/trusted>