Merge pull request #18 from leviy/update-dependency-versions

Update to latest dependency versions

Author: VSlokker

.rmt.yml

@@ -12,13 +12,10 @@
     "require": {
         "php": "^7.1",
         "dealerdirect/phpcodesniffer-composer-installer": "^0.4.4",
-        "escapestudios/symfony2-coding-standard": "^3.0",
+        "escapestudios/symfony2-coding-standard": "^3.6",
         "phpmd/phpmd": "^2.6",
-        "slevomat/coding-standard": "^4.6",
-        "squizlabs/php_codesniffer": "^3.0"
-    },
-    "require-dev": {
-        "liip/rmt": "^1.3"
+        "slevomat/coding-standard": "^5.0",
+        "squizlabs/php_codesniffer": "^3.4"
     },
     "autoload": {
         "psr-4": {