cleaned up issues with Daniel's code

There were a lot of style things and a misunderstanding of the protocol
between the cape and the BBB.
diff --git a/bbb_cape/src/cape/cows.c b/bbb_cape/src/cape/cows.c
index 396889c..16ed1fc 100644
--- a/bbb_cape/src/cape/cows.c
+++ b/bbb_cape/src/cape/cows.c
@@ -1,4 +1,4 @@
-#include "cows.h"
+#include "cape/cows.h"
 
 #include <limits.h>