Merge pull request wp-cli#24 from wp-cli/18-explain-site-transients

Better explain site transients in docs

Merge pull request wp-cli#20 from wp-cli/scaffold-readme-github-11-20

Update scaffolded README and GitHub configuration

Merge pull request wp-cli#16 from wp-cli/fix-syntax

Fix syntax in YAML document

Merge pull request wp-cli#14 from wp-cli/readme-description

Improve the top-level command descriptions even further

Merge pull request wp-cli#6 from wp-cli/use-trusty

Use `dist: precise` for PHP 5.3, `dist: trusty` for everything else

Merge pull request wp-cli#4 from wp-cli/bundled-command

Clarify this command as a bundled command

Description update