Documentation and dependencies for the v50r3 release

CMakeLists.txt

 ###############################################################################
-# (c) Copyright 2000-2018 CERN for the benefit of the LHCb Collaboration      #
+# (c) Copyright 2000-2019 CERN for the benefit of the LHCb Collaboration      #
 #                                                                             #
 # This software is distributed under the terms of the GNU General Public      #
 # Licence version 3 (GPL Version 3), copied verbatim in the file "COPYING".   #
@@ -16,9 +16,9 @@ find_package(GaudiProject)
 #---------------------------------------------------------------
 
 # Declare project name and version
-gaudi_project(DaVinci v50r2
-              USE Analysis v30r2
-                  Stripping v11r8
+gaudi_project(DaVinci v50r3
+              USE Analysis v30r3
+                  Stripping v11r9
               DATA AppConfig VERSION v3r*
                    FieldMap VERSION v5r*
                    ParamFiles VERSION v8r*

ReleaseNotes/v50r3.md

+2019-02-20 DaVinci v50r3
+========================
+
+Development release prepared on the master branch.
+
+It is based on Gaudi v31r0, LHCb v50r3, Lbcom v30r3, Rec v30r3, Phys v30r3, Analysis v30r3 and Stripping v11r9,
+and uses LCG_95 with ROOT 6.16.00.
+
+- Prepare for new Gaudi::Algorithm
+  - See merge request lhcb/DaVinci!281