Split off 5.4.8 branch

Signed-off-by: Richard Chapman <rchapman@hpccsystems.com>

version.cmake

@@ -4,7 +4,7 @@
 set ( HPCC_PROJECT "community" )
 set ( HPCC_MAJOR 5 )
 set ( HPCC_MINOR 4 )
-set ( HPCC_POINT 6 )
-set ( HPCC_MATURITY "release" )
+set ( HPCC_POINT 7 )
+set ( HPCC_MATURITY "closedown" )
 set ( HPCC_SEQUENCE 1 )
 ###