(#4839) - chore(package): update mocha to version 2.4.2
(#4839) - chore(package): update mocha to version 2.4.2

http://greenkeeper.io/

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