Hot fix for different Afterbirth+ issue in Mod Menu

Fix for menu rendering in Afterbirth+

- Fix for Plan C not triggering from the activate command

Small Afterbirth+ fixes

Fixed issue with friends not spawning from !friend command when using Afterbirth+

* Removed the top left status pixel (was green if connected, red if not) - most people didn't even notice it, but once you knew, you couldn't unsee it. Has been irrelevant for a long time, so now it's gone.
* Fixed a compatibility issue that was impacting Breath of Life not charging properly.
* Fixed a compatibility issue that was impacting double click items like GD Bug, Hemotypsis, etc
* Due to the above fix, the mod will no longer be able to offer functionality to invert controls etc -- no one was using this functionality from the custom command editor anyhow.

Quick fix for error message not showing up when --luadebug step was missed!

Hot fix for registering external mods (i.e. Fiend Folio, Revelations, and Retribution). Regular expressions - if you know, you know.

Added support for Retribution and Revelations Ch. 2 mods.

....and now with shaders.xml actually disabled by default - woops.