Nancy3 did away with earlier versions of the engine's usage
of 1 and 2 as false/true values. This commit adds two
new values to NancyEngine: _true and _false, which hold
the correct values used by different versions of the engine.
Decoupled lightning from the LightningOn action record and
implemented the logic for it to be activated during the endgame
section of The Vampire Diaries.