(#5223) - chore(package): update mocha to version 2.5.3
(#5223) - chore(package): update mocha to version 2.5.3

https://greenkeeper.io/
willholley/pouchdb,cdaringe/pouchdb,jhs/pouchdb,jhs/pouchdb,willholley/pouchdb,jhs/pouchdb,garrensmith/pouchdb,pouchdb/pouchdb,TechnicalPursuit/pouchdb,tyler-johnson/pouchdb,shimaore/pouchdb,mikeymckay/pouchdb,shimaore/pouchdb,yaronyg/pouchdb,tyler-johnson/pouchdb,cdaringe/pouchdb,TechnicalPursuit/pouchdb,cdaringe/pouchdb,mikeymckay/pouchdb,shimaore/pouchdb,seigel/pouchdb,yaronyg/pouchdb,mikeymckay/pouchdb,yaronyg/pouchdb,seigel/pouchdb,tyler-johnson/pouchdb,pouchdb/pouchdb,willholley/pouchdb,garrensmith/pouchdb,pouchdb/pouchdb,garrensmith/pouchdb,seigel/pouchdb,TechnicalPursuit/pouchdb