Update poltergeist gem.
Update poltergeist gem.

pipeline/dotledger,dotledger/dotledger,pipeline/dotledger,pipeline/dotledger,malclocke/dotledger,malclocke/dotledger,amorphid/dotledger,dotledger/dotledger,amorphid/dotledger,malclocke/dotledger,dotledger/dotledger,dotledger/dotledger,amorphid/dotledger