@Override
                public FileVisitResult visitFileFailed(final Path file, final IOException exc) {
                    LOGGER.warn("Error visiting file {}", file, exc);
                    return FileVisitResult.CONTINUE;
                }
Finds all the v7 DB migration scripts and dumps them out in order.
Useful for seeing the sql and java migrations together
stroom-app/src/test/java/stroom/db/migration/TestListDbMigrations.java