PS3 EBOOT resigning fixes (#33)

* Replace make_fself with scetool

I'm not quite sure what's going on with the make_fself signing. scetools with 3.55 keys works as it should be.

* Update scetool keys

* Remove automatic encrypting

I see the idea...but on practice everything freaks out because of it. It's much safer to include EncryptExecutable() in .mlua instead.

* Removed leftovers

* Removed leftovers

Author: ivaschia