Fix Ping endpoint documentation
Add/modified the canonical link to work with all /index/ links. Added style for "danger'
Cleanup
fix(hack/PACKAGERS): add xz utils as a runtime dep
Remove Gentoo install notes about #1422 workaround
Update ubuntu docs to use wget instead of curl

Ubuntu doesn't come with curl.

wget instead of curl

nicer wget syntax

remove /dev/null
Merge pull request #2065 from kyleconroy/fix_ping_endpoint

Fix Ping endpoint documentation
Merge pull request #2073 from tianon/gentoo-no-more-1422-hack

Remove Gentoo install notes about #1422 workaround
Merge pull request #2063 from dhrp/doc-template-fix

Doc template fix
Merge pull request #2060 from mastahyeti/patch-1

Add `apt-get install curl` to Ubuntu docs
Merge pull request #2069 from philips/add-xz-to-runtime-dependencies

fix(hack/PACKAGERS): add xz utils as a runtime dep