Updated game specific SoundPatcher constants FO3

* Added game specific Graphics patcher constants.  These need to be
updated.
Updated game specific SoundPatcher constants FNV

* Added game specific GraphicsPatcher constants.  These need to be
updated.
Updated game specific SoundPatcher constants TES4

* Added game specific GraphicsPatcher constants.  These need to be
updated.
Updated SoundPatcher game specific constants
Added GraphicsPatcher game specific constants
Updated MreActi
Updated MreArma
Removed comments from MreAvif
Updated MreCams
Update to MreCell
Updated MreEfsh with new variable names
Updated MreImad

* Updated Unknown(s)
Updated MreWrld

* Added MelOptStruct(s)
Added MreAvif as mergable, removed MreFact as Mergable