tweak travis config
tweak travis config

nibble/stringer,bkbabydp/stringer,Koronen/stringer,adscott/stringer,milligramme/stringer,dperson/stringer,nobuti/stringer,InPermutation/stringer,jqr/stringer,geemus/stringer,milligramme/stringer,nobuti/stringer,jeroenj/stringer,adscott/stringer,jeroenj/stringer,wwwjfy/stringer,jqr/stringer,geemus/stringer,dandorman/stringer,dperson/stringer,nobuti/stringer,run-project/stringer,nibble/stringer,swanson/stringer,lodestone/stringer,dperson/stringer,wwwjfy/stringer,swanson/stringer,mpraglowski/stringer,thiagosil/stringer,jqr/stringer,jeroenj/stringer,thiagosil/stringer,lodestone/stringer,InPermutation/stringer,dandorman/stringer,Koronen/stringer,dandorman/stringer,swanson/stringer,jqr/stringer,geemus/stringer,InPermutation/stringer,dperson/stringer,Koronen/stringer,mpraglowski/stringer,bkbabydp/stringer,adscott/stringer,geemus/stringer,milandobrota/stringer,jeroenj/stringer,swanson/stringer,adscott/stringer,nibble/stringer,mpraglowski/stringer,thiagosil/stringer,lodestone/stringer,run-project/stringer,milandobrota/stringer,run-project/stringer,milligramme/stringer,milandobrota/stringer,Koronen/stringer,nibble/stringer