Updated IID, services, and controls to use qt-project URL

Instead of com.nokia.qt we should use org.qt-project.qt.
All the identifiers have also been updated to use pure lowercase, and
where used the version numbers have been updated to 5.0.

Change-Id: Ib209327f5205f5a086a5932394504a8a52e1f712
Reviewed-by: Dmytro Poplavskiy <dmytro.poplavskiy@nokia.com>

tests/auto/unit/qmediaserviceprovider/mockserviceplugin2/mockserviceplugin2.json

@@ -1,3 +1,3 @@
 {
-    "Keys": ["com.nokia.qt.mediaplayer", "com.nokia.qt.radio"]
+    "Keys": ["org.qt-project.qt.mediaplayer", "org.qt-project.qt.radio"]
 }