rel1_71_0

src/notes

 --------------------------------------------------------------------------------
+rel1_71_0
+--------------------------------------------------------------------------------
+a26cbfa Update constraints before ionic step
+88181a8 Change sign of force on constraints and pair force
+--------------------------------------------------------------------------------
 rel1_70_0
 --------------------------------------------------------------------------------
 c790914 Fix xsd links in upf2qso dir

src/release.C

@@ -19,5 +19,5 @@
 #include "release.h"
 std::string release(void)
 {
-  return std::string("rel1_70_0dev");
+  return std::string("rel1_71_0");
 }