FIX: Added newline and flushing to password transfer.

src/main/java/caosdb/server/accessControl/Pam.java

@@ -75,6 +75,8 @@ public class Pam implements UserSource {
       pb.directory(script.getParentFile());
       final Process p = pb.start();
       p.getOutputStream().write(password.getBytes());
+      p.getOutputStream().write('\n');
+      p.getOutputStream().flush();
       return p;
     }