(#5209) - chore(package): update mocha to version 2.5.1
(#5209) - chore(package): update mocha to version 2.5.1

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