New class in QML bindings

Needed to access wether an operation is enable or not (like in the nowPlaying service

 ServiceOperationStatus {
   property bool enabled
   property Service service
   property string operation
}

Class API

Status	Action	Method
DONE	Remove	static Service access(const QUrl &url, QObject parent);
TO DO	Remove	Q_INVOKABLE void setDestination(const QString &destination);	<{{{3}}}>
TO DO	Remove	Q_INVOKABLE QString destination() const;	<{{{3}}}>
DONE	Keep	Q_INVOKABLE QStringList operationNames() const;
DONE	Rename	Q_INVOKABLE KConfigGroup operationDescription(const QString &operationName); -> QVariantMap operationDescription(const QString &operationName);
DONE	Rename	Q_INVOKABLE ServiceJob startOperationCall(const KConfigGroup->QVariantMap &description, QObject parent );
DONE	Keep	Q_INVOKABLE bool isOperationEnabled(const QString &operation) const;
DONE	Keep	Q_INVOKABLE QString name() const;
DONE	Remove	Q_INVOKABLE void associateItem(QQuickItem->QObject *item, const QString &operation);
DONE	Remove	Q_INVOKABLE void disassociateItem(QQuickItem *widget);
DONE	Remove	Q_INVOKABLE QHash<QString, QVariant> parametersFromDescription(const KConfigGroup &description);
DONE	Remove	SIGNAL void operationsChanged();
DONE	Keep	SIGNAL void serviceReady(Plasma::Service *service);
DONE	Add	SIGNAL void operationEnabledChanged(const QString &operation, bool enabled);
DONE	Keep	protected explicit Service(QObject *parent );
TO DO	Remove	protected Service(QObject *parent, const QVariantList &args);	<{{{3}}}>
DONE	Parameters	protected virtual ServiceJob *createJob(const QString &operation, QHash<QString, QVariant> ->QVariantMap &parameters)
DONE	Keep	protected virtual void registerOperationsScheme();
DONE	Keep	protected void setOperationsScheme(QIODevice *xml);
DONE	Keep	protected void setName(const QString &name);
TO DO	Multithread	protected void setOperationEnabled(const QString &operation, bool enable); -> use a QRunnable here	<{{{3}}}>
DONE	Remove	private Q_PRIVATE_SLOT(d, void associatedWidgetDestroyed(QObject *))
DONE	Remove	private Q_PRIVATE_SLOT(d, void associatedItemDestroyed(QObject *))