added travis badge to README
added travis badge to README

govlas/gopherjs,nmfzone/gopherjs,rasata/gopherjs,albrow/gopherjs,gopherjs/gopherjs,bpowers/gopherjs,jargv/gopherjs,albrow/gopherjs,roth1002/gopherjs,albrow/gopherjs,ebroder/gopherjs,ebroder/gopherjs,roth1002/gopherjs,bpowers/gopherjs,govlas/gopherjs,Archs/gopherjs,gopherjs/gopherjs,gopherjs/gopherjs,roth1002/gopherjs,nmfzone/gopherjs,rasata/gopherjs,jeremyschlatter/gopherjs,bpowers/gopherjs,rasata/gopherjs,gopherjs/gopherjs,Yanjing123/gopherjs,jeremyschlatter/gopherjs,flimzy/gopherjs,jargv/gopherjs,ebroder/gopherjs,govlas/gopherjs,flimzy/gopherjs,Yanjing123/gopherjs,Yanjing123/gopherjs,flimzy/gopherjs,jeremyschlatter/gopherjs,jargv/gopherjs,Archs/gopherjs,gopherjs/gopherjs,nmfzone/gopherjs,Archs/gopherjs