Feature/merge 3 0 develop (#298)

* merging 3.0 into develop

* N°5102 - Allow to send emails (eg. notifications) using GSuite SMTP and OAuth
* migration to iTop 3.1

Co-authored-by: Eric Espie <eric.espie@combodo.com>

lib/firebase/php-jwt/composer.json

@@ -0,0 +1,36 @@
+{
+    "name": "firebase/php-jwt",
+    "description": "A simple library to encode and decode JSON Web Tokens (JWT) in PHP. Should conform to the current spec.",
+    "homepage": "https://github.com/firebase/php-jwt",
+    "keywords": [
+        "php",
+        "jwt"
+    ],
+    "authors": [
+        {
+            "name": "Neuman Vong",
+            "email": "neuman+pear@twilio.com",
+            "role": "Developer"
+        },
+        {
+            "name": "Anant Narayanan",
+            "email": "anant@php.net",
+            "role": "Developer"
+        }
+    ],
+    "license": "BSD-3-Clause",
+    "require": {
+        "php": ">=5.3.0"
+    },
+    "suggest": {
+        "paragonie/sodium_compat": "Support EdDSA (Ed25519) signatures when libsodium is not present"
+    },
+    "autoload": {
+        "psr-4": {
+            "Firebase\\JWT\\": "src"
+        }
+    },
+    "require-dev": {
+        "phpunit/phpunit": ">=4.8 <=9"
+    }
+}