systrace: fix a bug with userland thread states

This change fixes an issue where userland threads would not display the
color-coded thread state above their call traces.  It also adds config.pyc to
the .gitignore file.

Change-Id: Ic9135310880a9a805722b0707bc37336c026a7d6
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..bdc160b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+config.pyc