Correct composer.json

Composer "replace" part is not correct. See https://wiki.typo3.org/Composer for more info. At the current state, an extension directory "tinymce4-rte" is generated. After this change it's "tinymce4_rte".

composer.json

@@ -3,16 +3,17 @@
   "type": "typo3-cms-extension",
   "description": "RTE integration of TinyMCE for TYPO3.",
   "homepage": "https://www.sgalinski.de",
-  "license": ["GPL-2.0+"],
+  "license": "GPL-2.0+",
   "version": "2.2.1",
   "support": {
-    "issues": "https://forge.typo3.org/projects/extension-tinymce_rte"
+    "issues": "https://forge.typo3.org/projects/extension-tinymce4_rte"
   },
   "require": {
     "typo3/cms-core": "*"
   },
   "replace": {
-    "tinymce4-rte": "*"
+    "tinymce4_rte": "self.version",
+    "typo3-ter/tinymce4-rte": "self.version"
   },
   "autoload": {
     "psr-4": {