Update RubyGems install for Fedora in docs to avoid compiler error when installing Awestruct
Update RubyGems install for Fedora in docs to avoid compiler error when installing Awestruct

brendo10x/arquillian.github.com,arquillian/arquillian.github.com,arquillian/arquillian.github.com,thjanssen/arquillian.github.com,jmnarloch/arquillian.github.com,brendo10x/arquillian.github.com,oscerd/arquillian.github.com,oscerd/arquillian.github.com,thjanssen/arquillian.github.com,oscerd/arquillian.github.com,jmnarloch/arquillian.github.com,brendo10x/arquillian.github.com,jmnarloch/arquillian.github.com,jmnarloch/arquillian.github.com,brendo10x/arquillian.github.com,arquillian/arquillian.github.com,arquillian/arquillian.github.com,oscerd/arquillian.github.com,thjanssen/arquillian.github.com