Update submodules

stan-buildbot · stan-buildbot · commit f78d724d7572 · 2019-06-11T09:32:49.000-04:00
diff --git a/cmdstan b/cmdstan
@@ -1 +1 @@
-Subproject commit 8cd817299d4dd68b2e76889c6d65cf57186fc348
+Subproject commit 6195b49860d7327f4b31e1d3fb6d19eb33b8c3a9
