(#4869) - chore(package): update webpack to version 1.12.13
(#4869) - chore(package): update webpack to version 1.12.13

http://greenkeeper.io/

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