Split off 5.4.6 branch

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>

version.cmake

@@ -4,7 +4,7 @@
 set ( HPCC_PROJECT "community" )
 set ( HPCC_MAJOR 5 )
 set ( HPCC_MINOR 4 )
-set ( HPCC_POINT 4 )
-set ( HPCC_MATURITY "release" )
-set ( HPCC_SEQUENCE 1 )
+set ( HPCC_POINT 5 )
+set ( HPCC_MATURITY "closedown" )
+set ( HPCC_SEQUENCE 0 )
 ###