(#4877) - chore(package): update es3ify to version 0.2.1
(#4877) - chore(package): update es3ify to version 0.2.1

http://greenkeeper.io/

tyler-johnson/pouchdb,mikeymckay/pouchdb,cdaringe/pouchdb,shimaore/pouchdb,colinskow/pouchdb,seigel/pouchdb,garrensmith/pouchdb,colinskow/pouchdb,shimaore/pouchdb,seigel/pouchdb,jhs/pouchdb,lukevanhorn/pouchdb,cdaringe/pouchdb,yaronyg/pouchdb,cdaringe/pouchdb,mikeymckay/pouchdb,willholley/pouchdb,jhs/pouchdb,tyler-johnson/pouchdb,yaronyg/pouchdb,daleharvey/pouchdb,jhs/pouchdb,daleharvey/pouchdb,garrensmith/pouchdb,pouchdb/pouchdb,yaronyg/pouchdb,TechnicalPursuit/pouchdb,willholley/pouchdb,TechnicalPursuit/pouchdb,lukevanhorn/pouchdb,daleharvey/pouchdb,pouchdb/pouchdb,willholley/pouchdb,pouchdb/pouchdb,seigel/pouchdb,lukevanhorn/pouchdb,shimaore/pouchdb,TechnicalPursuit/pouchdb,mikeymckay/pouchdb,colinskow/pouchdb,tyler-johnson/pouchdb,garrensmith/pouchdb