Add SetPasswordJob in Users module, hook it all up.

src/modules/users/SetPasswordJob.h

@@ -0,0 +1,39 @@
+/* === This file is part of Calamares - <http://github.com/calamares> ===
+ *
+ *   Copyright 2014, Teo Mrnjavac <teo@kde.org>
+ *
+ *   Calamares is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   Calamares is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with Calamares. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SETPASSWORDJOB_H
+#define SETPASSWORDJOB_H
+
+#include <Job.h>
+
+
+class SetPasswordJob : public Calamares::Job
+{
+    Q_OBJECT
+public:
+    SetPasswordJob( const QString& userName,
+                    const QString& newPassword );
+    QString prettyName() const override;
+    Calamares::JobResult exec() override;
+
+private:
+    QString m_userName;
+    QString m_newPassword;
+};
+
+#endif /* SETPASSWORDJOB_H */