Added check_random plugin.

check_random/check_random.c

@@ -0,0 +1,10 @@
+#include <stdio.h>
+
+int main(int argc, char **argv)
+{
+	printf("check_random | test=1\n");
+
+	srand(getpid());
+
+	return rand() % 4;
+}