Version 2.0.0

• Move command over to new v2 structure [#151]
• Fix doc that references global scope [#148]
• Fix location of --format=<format> YAML docs [#147]
• Make fields sortable [#142]
• Grammar fix [#141]
• Update package with latest scaffolded components [#140]
• Fix Travis CI caching for composer [#139]
• Add prefer-stable to composer-json [#137]
• s/profile/profile-command/ [#134]
• Reduce number of Travis builds by only running WP_VERSION=trunk once [#133]
• Regenerate README for general WP-CLI consumption [#132]
• Include mention that profiling intermediate hooks is broken in PHP7 [#125]
• Use --hook[=<hook>] to profile all hooks, or callbacks to spec hook [#124]
• Mention account dashboard in installation instructions [#123]