Add support for Allmon3

[Allan-N]

I've been looking into setting up a node with "Allmon3" installed and without "Supermon".

Unfortunately, AllScan does not look at the "/etc/allmon3/allmon3.ini" file and doesn't like that the node's "passwd" key was changed to "pass". But, with a few [local] tweaks to "include/common.php" and "astapi/server.php" I have AllScan working.

Would you consider rev'ing the project to support Allmon3?

Thank you!

p.s. I'm happy to share my changes and/or create a pull request