add core-signals to bower.json
add core-signals to bower.json

dhkong88/uproxy,qida/uproxy,jpevarnek/uproxy,itplanes/uproxy,itplanes/uproxy,chinarustin/uproxy,MinFu/uproxy,uProxy/uproxy,jpevarnek/uproxy,MinFu/uproxy,uProxy/uproxy,MinFu/uproxy,itplanes/uproxy,chinarustin/uproxy,chinarustin/uproxy,itplanes/uproxy,IveWong/uproxy,qida/uproxy,itplanes/uproxy,jpevarnek/uproxy,roceys/uproxy,dhkong88/uproxy,uProxy/uproxy,jpevarnek/uproxy,IveWong/uproxy,MinFu/uproxy,chinarustin/uproxy,qida/uproxy,qida/uproxy,MinFu/uproxy,roceys/uproxy,dhkong88/uproxy,uProxy/uproxy,dhkong88/uproxy,roceys/uproxy,chinarustin/uproxy,roceys/uproxy,uProxy/uproxy,roceys/uproxy,IveWong/uproxy,jpevarnek/uproxy,dhkong88/uproxy,IveWong/uproxy,qida/uproxy