Composer: update package name

... and indicate that this package replaces `squizlabs/php_codesniffer`.

Author: jrfnl

README.md

@@ -34,16 +34,16 @@ php phpcbf.phar -h
 ### Composer
 If you use Composer, you can install PHP_CodeSniffer system-wide with the following command:
 ```bash
-composer global require "squizlabs/php_codesniffer=*"
+composer global require "phpcsstandards/php_codesniffer=*"
 ```
 Make sure you have the composer bin dir in your PATH. The default value is `~/.composer/vendor/bin/`, but you can check the value that you need to use by running `composer global config bin-dir --absolute`.
 
-Or alternatively, include a dependency for `squizlabs/php_codesniffer` in your `composer.json` file. For example:
+Or alternatively, include a dependency for `phpcsstandards/php_codesniffer` in your `composer.json` file. For example:
 
 ```json
 {
     "require-dev": {
-        "squizlabs/php_codesniffer": "3.*"
+        "phpcsstandards/php_codesniffer": "^3.0"
     }
 }
 ```

composer.json

@@ -1,5 +1,5 @@
 {
-    "name": "squizlabs/php_codesniffer",
+    "name": "phpcsstandards/php_codesniffer",
     "description": "PHP_CodeSniffer tokenizes PHP, JavaScript and CSS files and detects violations of a defined set of coding standards.",
     "type": "library",
     "keywords": [
@@ -34,6 +34,9 @@
     "require-dev": {
         "phpunit/phpunit": "^4.0 || ^5.0 || ^6.0 || ^7.0"
     },
+    "replace": {
+        "squizlabs/php_codesniffer": "> 2.0"
+    },
     "bin": [
         "bin/phpcs",
         "bin/phpcbf"