Bring this in with correct name

ksbeattie · ksbeattie · commit 14183b9db407 · 2018-03-28T15:27:08.000-07:00
diff --git a/Solvents/SolventCrossflowHX b/Solvents/SolventCrossflowHX
@@ -0,0 +1 @@
+Subproject commit 8ba187879be1742ca78a55b5af57a94e61b63802
