Clearer links on monospaced fonts
Explain a bit more about $PATH.
Merge pull request #445 from ClusterHQ/path-change-temporary-427

Explain a bit more about $PATH

Author: @itamarst
Reviewer: @wallrj

Fixes #427
Removed .pre colour
Specify that the new file should have a new name, specify a download
Merge pull request #435 from ClusterHQ/docs-link-style-430

Clearer links on monospaced fonts.

Fixes #430.
Merge pull request #449 from ClusterHQ/change-config-name-428

Specify that the new file should have a new name, specify a download.

Fixes #428.
Merge remote-tracking branch 'refs/remotes/origin/master' into docs-reorg-419
Disable stupid caching that breaks every time you change branches.