ilimination of system code, removal of x-watcher and replacement of it by dmon, fixes in audio code, dynamic asset reload

src/twn_timer_c.h

@@ -0,0 +1,10 @@
+#ifndef TWN_TIMER_H
+#define TWN_TIMER_H
+
+#include <stdbool.h>
+#include <stdbit.h>
+
+bool start_sanity_timer(uint32_t milliseconds_to_expire);
+bool end_sanity_timer(void);
+
+#endif // TWN_TIMER_H