Set default trace level to FATAL

Because to compile with a debug trace level you can simply type:
colormake TRACE_LEVEL=5
diff --git a/sam3s_example/Makefile b/sam3s_example/Makefile
index 337c562..bc141c1 100644
--- a/sam3s_example/Makefile
+++ b/sam3s_example/Makefile
@@ -48,7 +48,7 @@
 # TRACE_LEVEL_ERROR      2
 # TRACE_LEVEL_FATAL      1
 # TRACE_LEVEL_NO_TRACE   0
-TRACE_LEVEL = 5
+TRACE_LEVEL = 1
 #FIXME: Remove this variable
 NOAUTOCALLBACK=no