Update SBT to support the command, which is assumed by sbt-extras

retronym · retronym · commit 8b56f50b76de · 2015-07-27T12:59:56.000+10:00
diff --git a/project/build.properties b/project/build.properties
@@ -1 +1 @@
-sbt.version=0.13.0
+sbt.version=0.13.8
