Update release date and tag for 1.3.0-rc3

Author: msimberg

CMakeLists.txt

@@ -48,8 +48,8 @@ project(HPX CXX C)
 set(HPX_VERSION_MAJOR 1)
 set(HPX_VERSION_MINOR 3)
 set(HPX_VERSION_SUBMINOR 0)
-set(HPX_VERSION_DATE 20190513)
-set(HPX_VERSION_TAG "-rc2")
+set(HPX_VERSION_DATE 20190522)
+set(HPX_VERSION_TAG "-rc3")
 
 set(HPX_VERSION "${HPX_VERSION_MAJOR}.${HPX_VERSION_MINOR}.${HPX_VERSION_SUBMINOR}")
 set(HPX_LIBRARY_VERSION "${HPX_VERSION}")