Merge pull request #34 from WaveFunctionP/master

.12.2 patch
- Fixed powercap scaling for electricengines. (Existing parts may not be affected.)
 - Removed redundant base scaleexponent configs from interstellar_tweakscale.cfg
 - Fixed MM patch. (It works for reals this time!)
 - Remove unused and broken radioactivedecay modules from some part files.