added byteorder util

testApp/misc/testByteOrder.cpp

@@ -0,0 +1,10 @@
+#include <epicsEndian.h>
+#include <stdio.h>
+
+int main()
+{
+printf("EPICS_BYTE_ORDER: %s\n", (EPICS_BYTE_ORDER == EPICS_ENDIAN_LITTLE) ? "little" : "big");
+printf("EPICS_FLOAT_WORD_ORDER: %s\n", (EPICS_FLOAT_WORD_ORDER == EPICS_ENDIAN_LITTLE) ? "little" : "big");
+return 0;
+}
+