UnitPanel.lua replace

I was having difficulty identifying the modded code from the fall
patch/BNW specific modifications so I used whoward's UnitPanel.lua
custom mission/actions modular UnitPanel.lua file (updated for BNW). I
figure that we can rebuild any functions using this method instead.

See:
http://www.picknmixmods.com/mods/53df104c-e650-4962-bc4f-2b94a9fc7402/mod.html