Add Ninefold logo to the website
Fix Ninefold logo link
Merge branch 'ninefold_logo' of https://github.com/mootpointer/ruby-conf-au into mootpointer-ninefold_logo

* 'ninefold_logo' of https://github.com/mootpointer/ruby-conf-au:
  Fix Ninefold logo link
  Add Ninefold logo to the website
adjusting logos horizontal distribution and size
Merge branch 'mootpointer-ninefold_logo'

* mootpointer-ninefold_logo:
  adjusting logos horizontal distribution and size
  Fix Ninefold logo link
  Add Ninefold logo to the website