Philippe 13/12/2018: changed MNH version to 5.4.2 (not in doc)

src/MNH/version.f90

@@ -44,9 +44,9 @@ IMPLICIT NONE
 !
 NMNHVERSION(1)=5
 NMNHVERSION(2)=4
-NMNHVERSION(3)=1
+NMNHVERSION(3)=2
 NMASDEV=54 
-NBUGFIX=1
+NBUGFIX=2
 CBIBUSER=''
 !
 END SUBROUTINE VERSION