update travis to run CI on feature branch
update travis to run CI on feature branch

numba/numba,IntelLabs/numba,sklam/numba,stuartarchibald/numba,stuartarchibald/numba,stonebig/numba,cpcloud/numba,sklam/numba,gmarkall/numba,stuartarchibald/numba,seibert/numba,IntelLabs/numba,seibert/numba,stonebig/numba,cpcloud/numba,cpcloud/numba,jriehl/numba,cpcloud/numba,IntelLabs/numba,numba/numba,gmarkall/numba,sklam/numba,gmarkall/numba,IntelLabs/numba,stonebig/numba,numba/numba,seibert/numba,jriehl/numba,seibert/numba,sklam/numba,cpcloud/numba,gmarkall/numba,numba/numba,stonebig/numba,jriehl/numba,stuartarchibald/numba,gmarkall/numba,sklam/numba,numba/numba,IntelLabs/numba,jriehl/numba,stonebig/numba,jriehl/numba,stuartarchibald/numba,seibert/numba