FIX Update requirements & travis config to be consistent with acutal requirements

.travis.yml

@@ -22,14 +22,13 @@ before_script:
 
   # Install composer dependencies
   - composer validate
-  - composer require --no-update silverstripe/installer 4.0.x-dev
   - if [[ $DB == PGSQL ]]; then composer require --no-update silverstripe/postgresql 2.0.x-dev; fi
   - composer install --prefer-dist --no-interaction --no-progress --no-suggest --optimize-autoloader --verbose --profile
 
 script:
   - if [[ $PHPUNIT_TEST ]]; then vendor/bin/phpunit; fi
   - if [[ $PHPUNIT_COVERAGE_TEST ]]; then phpdbg -qrr vendor/bin/phpunit --coverage-clover=coverage.xml; fi
-  - if [[ $PHPCS_TEST ]]; then vendor/bin/phpcs src/ tests/ *.php; fi
+  - if [[ $PHPCS_TEST ]]; then vendor/bin/phpcs src/ tests/; fi
 
 after_success:
   - if [[ $PHPUNIT_COVERAGE_TEST ]]; then bash <(curl -s https://codecov.io/bash) -f coverage.xml; fi

composer.json

@@ -1,7 +1,6 @@
 {
     "name": "silverstripe/externallinks",
-    "description":
-        "Adds tracking of broken external links to the SilverStripe CMS",
+    "description": "Adds tracking of broken external links to the SilverStripe CMS",
     "type": "silverstripe-vendormodule",
     "keywords": ["silverstripe", "broken", "links", "href"],
     "license": "BSD-3-Clause",
@@ -12,15 +11,14 @@
         }
     ],
     "require": {
-        "silverstripe/recipe-cms": "^1.0"
+        "silverstripe/cms": "^4.0"
     },
     "require-dev": {
         "phpunit/PHPUnit": "^5.7",
         "squizlabs/php_codesniffer": "^3.0"
     },
     "suggest": {
-        "silverstripe/queuedjobs":
-            "Provides a more efficient method of generating/updating the report"
+        "silverstripe/queuedjobs": "Provides a more efficient method of generating/updating the report"
     },
     "autoload": {
         "psr-4": {