updating travis build instructions
updating travis build instructions

OfficeDev/generator-office,WrathOfZombies/generator-office,jasonjoh/generator-office,andrewconnell/generator-office,jasonjoh/generator-office,andrewconnell/generator-office,waldekmastykarz/generator-office,waldekmastykarz/generator-office,WrathOfZombies/generator-office,jasonjoh/generator-office,WrathOfZombies/generator-office