Add bt-semaphore per #520.

xach · xach · commit 3e27455d70de · 2013-07-20T18:07:23.000-04:00
diff --git a/bt-semaphore/source.txt b/bt-semaphore/source.txt
@@ -0,0 +1 @@
+git https://github.com/ralph-moeritz/bt-semaphore.git

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+git https://github.com/ralph-moeritz/bt-semaphore.git`