document the changes

ChangeLog

@@ -5,6 +5,17 @@
     Older compilers are no longer supported.
     In the case of gcc, gcc 4.8.1 or later is required.
 
+2015-10-05 Gabriele Cosmo <Gabriele.Cosmo@cern.ch>
+
+  * Utility/Utility/memory.h is now a simple wrapper.
+    Typedef-ed shared_ptr and unique_ptr to standard types.
+  * Utility: Remove no longer necessary Utility/type_traits.h.
+  * Units/Units/SystemOfUnits.h: add liter and its sub-units.
+  * Random: use std::shared_ptr instead of CLHEP::shared_ptr
+  * Random/RandExpZiggurat: use std::shared_ptr instead of bare pointer
+  * Random: Added MixMax random engine classes to the Random module, implementing the
+    “Matrix Generator of Pseudorandom Numbers", as described in J. Compt. Phy. 97, 573 (1991).
+
 ==============================
 09.07.15 Release CLHEP-2.3.0.0
 ==============================

Random/ChangeLog

+
+2015-10-05 Gabriele Cosmo <Gabriele.Cosmo@cern.ch>
+
+  * use std::shared_ptr instead of CLHEP::shared_ptr
+  * RandExpZiggurat: use std::shared_ptr instead of bare pointer
+  * Added MixMax random engine classes to the Random module, implementing the
+    “Matrix Generator of Pseudorandom Numbers", as described in J. Compt. Phy. 97, 573 (1991).
+
 ==============================
 09.07.15 Release CLHEP-2.3.0.0
 ==============================

Units/ChangeLog

+
+2015-10-05 Gabriele Cosmo <Gabriele.Cosmo@cern.ch>
+
+  * Units/SystemOfUnits.h: add liter and its sub-units.
+
 ==============================
 09.07.15 Release CLHEP-2.3.0.0
 ==============================