clean up the output of tests

testfilter.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+# colorize the output of "go test"
+
+sed ''/ok/s//$(printf "\033[32;1m&\033[0m")/''       | \
+	sed ''/PASS/s//$(printf "\033[32;1m&\033[0m")/''   | \
+	sed ''/FAIL/s//$(printf "\033[31;1m&\033[0m")/''