Merge branch 'master' into all-contributors/add-joningiwork

# Conflicts:
#	.all-contributorsrc
#	README.md

.all-contributorsrc

@@ -291,6 +291,15 @@
         "code"
       ]
     },
+    {
+      "login": "joningiwork",
+      "name": "Jón Ingi Sveinbjörnsson",
+      "avatar_url": "https://avatars2.githubusercontent.com/u/6115148?v=4",
+      "profile": "http://joningi.net",
+      "contributions": [
+        "code"
+      ]
+    },
     {
       "login": "kirill-vlasov",
       "name": "Kirill Vlasov",

README.md

@@ -167,6 +167,7 @@ This project is licensed under the terms of the MIT license.
     <td align="center"><a href="http://mitchell-irvin.com"><img src="https://avatars0.githubusercontent.com/u/16233245?v=4" width="100px;" alt=""/><br /><sub><b>Mitchell Irvin</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=mitchellirvin" title="Code">💻</a></td>
   <tr>
     <td align="center"><a href="https://github.com/kirill-vlasov"><img src="https://avatars3.githubusercontent.com/u/16112495?v=4" width="100px;" alt=""/><br /><sub><b>Kirill Vlasov</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=kirill-vlasov" title="Code">💻</a></td>
+    <td align="center"><a href="http://joningi.net"><img src="https://avatars2.githubusercontent.com/u/6115148?v=4" width="100px;" alt=""/><br /><sub><b>Jón Ingi Sveinbjörnsson</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=joningiwork" title="Code">💻</a></td>
   </tr>
   <tr>
   </tr>