Merge rouvenherzog changes with babble upgrade

.babelrc

@@ -1,7 +1,44 @@
 {
-    "presets": ["react", ["env", {
-        "targets": {
-            "browsers": ["safari >= 7", "ie 9"]
-        }
-    } ], "stage-0"]
-}
+    "presets": [
+        "@babel/preset-react",
+        [
+            "@babel/preset-env",
+            {
+                "targets": {
+                    "browsers": [
+                        "safari >= 7",
+                        "ie 9"
+                    ]
+                }
+            }
+        ]
+    ],
+    "plugins": [
+        "@babel/plugin-syntax-dynamic-import",
+        "@babel/plugin-syntax-import-meta",
+        "@babel/plugin-proposal-class-properties",
+        "@babel/plugin-proposal-json-strings",
+        [
+            "@babel/plugin-proposal-decorators",
+            {
+                "legacy": true
+            }
+        ],
+        "@babel/plugin-proposal-function-sent",
+        "@babel/plugin-proposal-export-namespace-from",
+        "@babel/plugin-proposal-numeric-separator",
+        "@babel/plugin-proposal-throw-expressions",
+        "@babel/plugin-proposal-export-default-from",
+        "@babel/plugin-proposal-logical-assignment-operators",
+        "@babel/plugin-proposal-optional-chaining",
+        [
+            "@babel/plugin-proposal-pipeline-operator",
+            {
+                "proposal": "minimal"
+            }
+        ],
+        "@babel/plugin-proposal-nullish-coalescing-operator",
+        "@babel/plugin-proposal-do-expressions",
+        "@babel/plugin-proposal-function-bind"
+    ]
+}

README.md

@@ -207,6 +207,7 @@ React SDK supports all of the following events and parameters:
 - [Application-wide Embedding Events](https://ziggeo.com/docs/sdks/javascript/browser-interaction/application-embedding-events#javascript-revision=stable)
 
 #### Changelog:
+- v2.5.1 babel was upgraded to version 7.*
 - v2.4.1 added application option manageability `webrtc_on_mobile` & `webrtc_streaming_if_necessary`, by default both are `false` <br/>
 - v2.4.0 added application option manageability `webrtc_streaming`, by default `false` <br/>