Add sudo to installing protobufs.
Remove use of -O from wget.
Update installing-dependencies.md
Remove a superfluous "and"
Merge pull request #89 from SpecLad/delete-and

Remove a superfluous "and"
Add Google Cloud Storage documentation
Add Hackage documentation
Add Deis documentation
Merge branch 'gh-pages' of github.com:travis-ci/docs-travis-ci-com into gh-pages
Update layout

with links to new deployment providers
Merge branch 'gh-pages' into ha-common-doc-on-conditional-releases
Update common option documentation link