Export Atom's version of React and Reactionary

Fixes #3101 and works around facebook/react#1939.
Upgrade to atom-shell@0.15.0
Merge pull request #3112 from atom/chrome36

Upgrade to Chrome36
Upgrade to incompatible-packages@0.3
Upgrade solarized syntax themes for scala support
Absolutify the placeholder text in mini editors.

Fixes #3118
Style the mini editors for a constant height

Adds an @input-font-size variable.
Upgrade atom-light-ui for mini editor fixes
Upgrade settings-view for mini editor changes
Upgrade dark-ui theme for new variable
Pull the mini editor styles out from react rule
Merge pull request #3121 from atom/bo-style-mini

Style mini editors
Merge pull request #3102 from dmnd/export-atom-react

Export Atom's version of React and Reactionary
Un-f
Upgrade to git-utils 2.1.3
Upgrade to nslog@1.0.1
Upgrade to oniguruma 3.0.2
Upgrade to spell-check@0.40
Upgrade to oniguruma 3.0.3
Upgrade to pathwatcher 2.0.5