Massive renaming in the backend folder, all around restructure in the same.

backend/VersionFactory.h

@@ -0,0 +1,25 @@
+#pragma once
+#include <QtCore>
+
+struct FullVersion;
+class Rule;
+
+class FullVersionFactory
+{
+public:
+	enum Error
+	{
+		AllOK, // all parsed OK
+		ParseError, // the file was corrupted somehow
+		UnsupportedVersion // the file was meant for a launcher version we don't support (yet)
+	} m_error;
+	QString error_string;
+
+public:
+	FullVersionFactory();
+	QSharedPointer<FullVersion> parse(QByteArray data);
+private:
+	QSharedPointer<FullVersion> parse4(QJsonObject root, QSharedPointer<FullVersion> product);
+	QList<QSharedPointer<Rule> > parse4rules(QJsonObject & baseObj);
+	QStringList legacyWhitelist;
+};