Split off candidate-4.2.6 branch

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

version.cmake

@@ -4,7 +4,7 @@
 set ( HPCC_PROJECT "community" )
 set ( HPCC_MAJOR 4 )
 set ( HPCC_MINOR 2 )
-set ( HPCC_POINT 5 )
-set ( HPCC_MATURITY "closedown" )
+set ( HPCC_POINT 6 )
+set ( HPCC_MATURITY "rc" )
 set ( HPCC_SEQUENCE 1 )
 ###