first part of debugging guide
Add second part of the debugging guide
:memo: Add documentation for Atom.io Star API
'Returns package' -> 'Returns a package'
Merge pull request #2502 from atom/iz-debugging-atom-docs

Add debugging guide
Upgrade to tree-view@0.97
Upgrade to language-ruby@0.27
Upgrade to solarized-light-syntax@0.8
Upgrade to atom-dark-syntax@0.16
Upgrade to solarized-dark-syntax@0.16
Upgrade to language-php@0.15
Upgrade to language-css@0.17
:memo: Minor tweaks
Merge pull request #2515 from atom/star-api-docs

:memo: Add documentation for Atom.io Star API
Upgrade to space-pen 3.2.4
Downgrade to space-pen 3.2.0

CI had 243 failures after upgrading to 3.2.4
Put the .editor class on the wrapper, not the component

Things depend on the react editor wrapper having the .editor class,
but inside the editor, we can control the style. I changed the
component's div to be .editor-contents for now. We can eliminate this
extra style when we eliminate the wrapper.
Make cursor visible when .editor-contents is focused