Update Mongoose Promise Library
Update Mongoose Promise Library

Changes the default promise library from the built-in mpromise, which is now depreciated, to native ES6 promises.
su6a12/voting-app,DrWilliamsSteven/voting-app,sg11/fccVoting,YuMarks/nightlife,pandaLv/clementineFCC,N0bl3/fcc-nightlife-app,shibatas/fcc-voting-app,jcsgithub/jcsgithub-votingapp,makkBit/codeVote,seantully00/stva,nbailey20/myPortfolio,rochamarcelo/freecodecamp-build-a-voting-app,N0bl3/fcc-nightlife-app,su6a12/voting-app,Juancard/voting-app,tjscollins/fcc-voting-app,dalailama3/BookTrader,nbailey20/myPortfolio,jcsgithub/jcsgithub-mangatradingapp,DrWilliamsSteven/voting-app,dalailama3/BookTrader,louisheimel/booktrading,seantully00/st-votingapp,Vozf/flower-store,rochamarcelo/freecodecamp-build-a-voting-app,ccunnin8/stockmarket_app,louisheimel/booktrading,jcsgithub/jcsgithub-mangatradingapp,YuMarks/nightlife,jcsgithub/jcsgithub-votingapp,pgrund/fcc-votingapp,seantully00/st-votingapp,pandaLv/clementineFCC,tjscollins/fcc-voting-app,Vozf/flower-store,shibatas/fcc-voting-app,sg11/fccVoting,ccunnin8/stockmarket_app,seantully00/stva,Juancard/voting-app,louisheimel/pinterestclone,pgrund/fcc-votingapp,makkBit/codeVote,louisheimel/pinterestclone