source tree cleanup

The lib/ directory was getting a bit out of hand, so this tries
to organize things a bit so it is easier going forward to locate
the code people want to patch.

lib/visualizers/sp-cpu-visualizer-row.h

@@ -0,0 +1,34 @@
+/* sp-cpu-visualizer-row.h
+ *
+ * Copyright (C) 2016 Christian Hergert <chergert@redhat.com>
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SP_CPU_VISUALIZER_ROW_H
+#define SP_CPU_VISUALIZER_ROW_H
+
+#include "visualizers/sp-line-visualizer-row.h"
+
+G_BEGIN_DECLS
+
+#define SP_TYPE_CPU_VISUALIZER_ROW (sp_cpu_visualizer_row_get_type())
+
+G_DECLARE_FINAL_TYPE (SpCpuVisualizerRow, sp_cpu_visualizer_row, SP, CPU_VISUALIZER_ROW, SpLineVisualizerRow)
+
+GtkWidget *sp_cpu_visualizer_row_new (void);
+
+G_END_DECLS
+
+#endif /* SP_CPU_VISUALIZER_ROW_H */