Fixed some styles that looked odd for release notes and add 1.1 release notes to the site
Update the release splash 1.1 stable link to go to the new release info
Removed BOM and made RC notes one level deeper into the tree
Merge remote-tracking branch 'skottler/release_notes_1.1' into gh-pages

* skottler/release_notes_1.1:
  Removed BOM and made RC notes one level deeper into the tree
  Update the release splash 1.1 stable link to go to the new release info
  Fixed some styles that looked odd for release notes and add 1.1 release notes to the site