Upgraded the NetarchiveSuite checkstyle configuration to Checkstyle 5.4
Upgraded the NetarchiveSuite checkstyle configuration to Checkstyle 5.4

netarchivesuite/netarchivesuite-svngit-migration,netarchivesuite/netarchivesuite-svngit-migration,netarchivesuite/netarchivesuite-svngit-migration,netarchivesuite/netarchivesuite-svngit-migration,netarchivesuite/netarchivesuite-svngit-migration,netarchivesuite/netarchivesuite-svngit-migration