add bower to travis
add bower to travis

gmaclennan/octokat.js,sanemat/octokat.js,matthewbauer/octokat.js,bitoiu/octokat.js,sanemat/octokat.js,philschatz/octokat.js,gmaclennan/octokat.js,philschatz/octokat.js,philschatz/octokat.js,matthewbauer/octokat.js,bitoiu/octokat.js