Added CuraDirve plugin to Cura build

CURA-6005

plugins/CuraDrive/__init__.py

@@ -0,0 +1,14 @@
+# Copyright (c) 2017 Ultimaker B.V.
+import os
+
+is_testing = os.getenv('ENV_NAME', "development") == "testing"
+
+# Only load the whole plugin when not running tests as __init__.py is automatically loaded by PyTest
+if not is_testing:
+    from .src.DrivePluginExtension import DrivePluginExtension
+
+    def getMetaData():
+        return {}
+
+    def register(app):
+        return {"extension": DrivePluginExtension(app)}