There should be /etc/event.d/fmtxpower script already, at least colin.stephane promise that. You just need to edit value in it.

Re mantainership - I was hoping colin.stephane or someone else to ask for that, lets wait a little bit more. If by the end of the week noone had asked I will PM pali with a maintainership request.

Yes, Y's are for 'Y'our, 'Y'ou... nevermind.