Adds danielmahon as contributor and updates yarn.lock

.all-contributorsrc

@@ -898,6 +898,15 @@
         "doc",
         "example"
       ]
+    },
+    {
+      "login": "danielmahon",
+      "name": "Daniel Mahon",
+      "avatar_url": "https://avatars2.githubusercontent.com/u/1088089?v=4",
+      "profile": "https://www.mahonstudios.com",
+      "contributions": [
+        "code"
+      ]
     }
   ]
 }

README.md

@@ -1,5 +1,5 @@
 # Netlify CMS
-[![All Contributors](https://img.shields.io/badge/all_contributors-103-orange.svg)](#contributors)
+[![All Contributors](https://img.shields.io/badge/all_contributors-104-orange.svg)](#contributors)
 [![Open Source Helpers](https://www.codetriage.com/netlify/netlify-cms/badges/users.svg)](https://www.codetriage.com/netlify/netlify-cms)
 [![](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/netlify/netlifycms)
 
@@ -64,7 +64,7 @@ Thanks goes to these wonderful people ([emoji key](https://github.com/kentcdodds
 | [<img src="https://avatars3.githubusercontent.com/u/802086?v=4" width="100px;"/><br /><sub><b>Luís Miguel</b></sub>](https://github.com/Quicksaver)<br />[🐛](https://github.com/netlify/netlify-cms/issues?q=author%3AQuicksaver "Bug reports") [💻](https://github.com/netlify/netlify-cms/commits?author=Quicksaver "Code") | [<img src="https://avatars2.githubusercontent.com/u/357379?v=4" width="100px;"/><br /><sub><b>Chris Swithinbank</b></sub>](http://chrisswithinbank.net/)<br />[📖](https://github.com/netlify/netlify-cms/commits?author=delucis "Documentation") | [<img src="https://avatars3.githubusercontent.com/u/1262221?v=4" width="100px;"/><br /><sub><b>remmah</b></sub>](https://github.com/remmah)<br />[📖](https://github.com/netlify/netlify-cms/commits?author=remmah "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/29388?v=4" width="100px;"/><br /><sub><b>Sumeet Jain</b></sub>](http://sumeetjain.com)<br />[📖](https://github.com/netlify/netlify-cms/commits?author=sumeetjain "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/26816046?v=4" width="100px;"/><br /><sub><b>Sagar Khatri</b></sub>](https://github.com/ragasirtahk)<br />[📖](https://github.com/netlify/netlify-cms/commits?author=ragasirtahk "Documentation") [💡](#example-ragasirtahk "Examples") | [<img src="https://avatars0.githubusercontent.com/u/8182932?v=4" width="100px;"/><br /><sub><b>Kevin Doocey</b></sub>](https://www.dooceykev.in)<br />[💻](https://github.com/netlify/netlify-cms/commits?author=Doocey "Code") | [<img src="https://avatars0.githubusercontent.com/u/31023010?v=4" width="100px;"/><br /><sub><b>Swieckowski</b></sub>](https://www.linkedin.com/in/arthur-swieckowski/)<br />[💻](https://github.com/netlify/netlify-cms/commits?author=Swieckowski "Code") [📖](https://github.com/netlify/netlify-cms/commits?author=Swieckowski "Documentation") [⚠️](https://github.com/netlify/netlify-cms/commits?author=Swieckowski "Tests") |
 | [<img src="https://avatars2.githubusercontent.com/u/283419?v=4" width="100px;"/><br /><sub><b>Tim Carry</b></sub>](http://www.pixelastic.com/)<br />[💻](https://github.com/netlify/netlify-cms/commits?author=pixelastic "Code") [🎨](#design-pixelastic "Design") [📖](https://github.com/netlify/netlify-cms/commits?author=pixelastic "Documentation") | [<img src="https://avatars0.githubusercontent.com/u/30510616?v=4" width="100px;"/><br /><sub><b>Sol Park</b></sub>](https://github.com/solpark)<br />[💻](https://github.com/netlify/netlify-cms/commits?author=solpark "Code") | [<img src="https://avatars0.githubusercontent.com/u/29218846?v=4" width="100px;"/><br /><sub><b>Michael Romani</b></sub>](https://github.com/MichaelRomani)<br />[💻](https://github.com/netlify/netlify-cms/commits?author=MichaelRomani "Code") | [<img src="https://avatars1.githubusercontent.com/u/15175868?v=4" width="100px;"/><br /><sub><b>Xifeng Jin</b></sub>](http://linkedin/in/xifengjin88)<br />[🐛](https://github.com/netlify/netlify-cms/issues?q=author%3Axifengjin88 "Bug reports") [💻](https://github.com/netlify/netlify-cms/commits?author=xifengjin88 "Code") | [<img src="https://avatars1.githubusercontent.com/u/372831?v=4" width="100px;"/><br /><sub><b>Pedro Duarte</b></sub>](http://pedroduarte.me)<br />[🐛](https://github.com/netlify/netlify-cms/issues?q=author%3Apeduarte "Bug reports") [💻](https://github.com/netlify/netlify-cms/commits?author=peduarte "Code") [📖](https://github.com/netlify/netlify-cms/commits?author=peduarte "Documentation") | [<img src="https://avatars1.githubusercontent.com/u/6064830?v=4" width="100px;"/><br /><sub><b>Antonio Argote</b></sub>](http://antonioargote.com)<br />[🎨](#design-Strangehill "Design") | [<img src="https://avatars3.githubusercontent.com/u/1479451?v=4" width="100px;"/><br /><sub><b>Kristaps Taube</b></sub>](https://www.ktaube.com)<br />[💻](https://github.com/netlify/netlify-cms/commits?author=ktaube "Code") |
 | [<img src="https://avatars3.githubusercontent.com/u/26639499?v=4" width="100px;"/><br /><sub><b>David Ko</b></sub>](https://github.com/daveyko)<br />[💻](https://github.com/netlify/netlify-cms/commits?author=daveyko "Code") | [<img src="https://avatars3.githubusercontent.com/u/440562?v=4" width="100px;"/><br /><sub><b>Iñaki García</b></sub>](http://www.txorua.com)<br />[🎨](#design-igarbla "Design") | [<img src="https://avatars3.githubusercontent.com/u/27162255?v=4" width="100px;"/><br /><sub><b>Sam</b></sub>](https://github.com/gazebosx3)<br />[💻](https://github.com/netlify/netlify-cms/commits?author=gazebosx3 "Code") | [<img src="https://avatars1.githubusercontent.com/u/174777?v=4" width="100px;"/><br /><sub><b>Josh Dzielak</b></sub>](https://dzello.com)<br />[📖](https://github.com/netlify/netlify-cms/commits?author=dzello "Documentation") | [<img src="https://avatars0.githubusercontent.com/u/2193?v=4" width="100px;"/><br /><sub><b>Jeremy Bise</b></sub>](http://thosegeeks.com)<br />[📖](https://github.com/netlify/netlify-cms/commits?author=jeremybise "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/13282103?v=4" width="100px;"/><br /><sub><b>terrierscript</b></sub>](https://terrierscript.com)<br />[💻](https://github.com/netlify/netlify-cms/commits?author=terrierscript "Code") | [<img src="https://avatars0.githubusercontent.com/u/3949335?v=4" width="100px;"/><br /><sub><b>Christopher Geary</b></sub>](https://twitter.com/crgeary)<br />[🔌](#plugin-crgeary "Plugin/utility libraries") |
-| [<img src="https://avatars0.githubusercontent.com/u/23248886?v=4" width="100px;"/><br /><sub><b>Brian Macdonald</b></sub>](https://github.com/brianlmacdonald)<br />[💻](https://github.com/netlify/netlify-cms/commits?author=brianlmacdonald "Code") | [<img src="https://avatars1.githubusercontent.com/u/15092?v=4" width="100px;"/><br /><sub><b>John Vandenberg</b></sub>](https://jayvdb.github.io/)<br />[📖](https://github.com/netlify/netlify-cms/commits?author=jayvdb "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/24911956?v=4" width="100px;"/><br /><sub><b>MarkZither</b></sub>](https://github.com/MarkZither)<br />[📖](https://github.com/netlify/netlify-cms/commits?author=MarkZither "Documentation") | [<img src="https://avatars1.githubusercontent.com/u/9257284?v=4" width="100px;"/><br /><sub><b>Rob Phoenix</b></sub>](https://www.robphoenix.com)<br />[📖](https://github.com/netlify/netlify-cms/commits?author=robphoenix "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/3028764?v=4" width="100px;"/><br /><sub><b>Steve Lathrop</b></sub>](https://www.SteLa.io)<br />[💻](https://github.com/netlify/netlify-cms/commits?author=slathrop "Code") [📖](https://github.com/netlify/netlify-cms/commits?author=slathrop "Documentation") [💡](#example-slathrop "Examples") |
+| [<img src="https://avatars0.githubusercontent.com/u/23248886?v=4" width="100px;"/><br /><sub><b>Brian Macdonald</b></sub>](https://github.com/brianlmacdonald)<br />[💻](https://github.com/netlify/netlify-cms/commits?author=brianlmacdonald "Code") | [<img src="https://avatars1.githubusercontent.com/u/15092?v=4" width="100px;"/><br /><sub><b>John Vandenberg</b></sub>](https://jayvdb.github.io/)<br />[📖](https://github.com/netlify/netlify-cms/commits?author=jayvdb "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/24911956?v=4" width="100px;"/><br /><sub><b>MarkZither</b></sub>](https://github.com/MarkZither)<br />[📖](https://github.com/netlify/netlify-cms/commits?author=MarkZither "Documentation") | [<img src="https://avatars1.githubusercontent.com/u/9257284?v=4" width="100px;"/><br /><sub><b>Rob Phoenix</b></sub>](https://www.robphoenix.com)<br />[📖](https://github.com/netlify/netlify-cms/commits?author=robphoenix "Documentation") | [<img src="https://avatars2.githubusercontent.com/u/3028764?v=4" width="100px;"/><br /><sub><b>Steve Lathrop</b></sub>](https://www.SteLa.io)<br />[💻](https://github.com/netlify/netlify-cms/commits?author=slathrop "Code") [📖](https://github.com/netlify/netlify-cms/commits?author=slathrop "Documentation") [💡](#example-slathrop "Examples") | [<img src="https://avatars2.githubusercontent.com/u/1088089?v=4" width="100px;"/><br /><sub><b>Daniel Mahon</b></sub>](https://www.mahonstudios.com)<br />[💻](https://github.com/netlify/netlify-cms/commits?author=danielmahon "Code") |
 <!-- ALL-CONTRIBUTORS-LIST:END -->
 
 This project follows the [all-contributors](https://github.com/kentcdodds/all-contributors) specification. Contributions of any kind welcome!

yarn.lock

@@ -7407,6 +7407,10 @@ react-immutable-proptypes@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/react-immutable-proptypes/-/react-immutable-proptypes-2.1.0.tgz#023d6f39bb15c97c071e9e60d00d136eac5fa0b4"
 
+react-is@16.3.1:
+  version "16.3.1"
+  resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.3.1.tgz#ee66e6d8283224a83b3030e110056798488359ba"
+
 react-modal@^3.1.5:
   version "3.1.6"
   resolved "https://registry.yarnpkg.com/react-modal/-/react-modal-3.1.6.tgz#82e63f1ec86b80e242518250d066ee37fa035f8a"