Merge branch 'master' into all-contributors/add-hoangnam2261

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

.all-contributorsrc

@@ -291,24 +291,6 @@
         "code"
       ]
     },
-    {
-      "login": "LuigiCortese",
-      "name": "Luigi Cortese",
-      "avatar_url": "https://avatars0.githubusercontent.com/u/9956006?v=4",
-      "profile": "http://www.devsedge.net/",
-      "contributions": [
-        "code"
-      ]
-    },
-    {
-      "login": "Rzeposlaw",
-      "name": "Katarzyna Rzepecka",
-      "avatar_url": "https://avatars2.githubusercontent.com/u/18425745?v=4",
-      "profile": "https://github.com/Rzeposlaw",
-      "contributions": [
-        "code"
-      ]
-    },
     {
       "login": "akrystian",
       "name": "adamski.pro",

README.md

@@ -179,8 +179,6 @@ This project is licensed under the terms of the MIT license.
   <tr>
     <td align="center"><a href="https://github.com/baislsl"><img src="https://avatars0.githubusercontent.com/u/17060584?v=4" width="100px;" alt=""/><br /><sub><b>Shengli Bai</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=baislsl" title="Code">💻</a></td>
     <td align="center"><a href="http://adamski.pro"><img src="https://avatars1.githubusercontent.com/u/6537430?v=4" width="100px;" alt=""/><br /><sub><b>adamski.pro</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=akrystian" title="Code">💻</a></td>
-    <td align="center"><a href="https://github.com/Rzeposlaw"><img src="https://avatars2.githubusercontent.com/u/18425745?v=4" width="100px;" alt=""/><br /><sub><b>Katarzyna Rzepecka</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=Rzeposlaw" title="Code">💻</a></td>
-    <td align="center"><a href="http://www.devsedge.net/"><img src="https://avatars0.githubusercontent.com/u/9956006?v=4" width="100px;" alt=""/><br /><sub><b>Luigi Cortese</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=LuigiCortese" title="Code">💻</a></td>
   </tr>
   <tr>
   </tr>