Ignore bin/ directories in submodules (#417)
Ignore bin/ directories in submodules (#417)


ArvinDevel/incubator-pulsar,saandrews/pulsar,ArvinDevel/incubator-pulsar,yahoo/pulsar,nkurihar/pulsar,yush1ga/pulsar,yush1ga/pulsar,jai1/pulsar,bradtm/pulsar,sschepens/pulsar,massakam/pulsar,tkb77/pulsar,yahoo/pulsar,tkb77/pulsar,nkurihar/pulsar,saandrews/pulsar,yush1ga/pulsar,jai1/pulsar,yahoo/pulsar,yahoo/pulsar,tkb77/pulsar,massakam/pulsar,bradtm/pulsar,sschepens/pulsar,saandrews/pulsar,agarman/pulsar,jai1/pulsar,bradtm/pulsar,bradtm/pulsar,merlimat/pulsar,saandrews/pulsar,nkurihar/pulsar,merlimat/pulsar,sschepens/pulsar,nkurihar/pulsar,jai1/pulsar,yush1ga/pulsar,massakam/pulsar,nkurihar/pulsar,ArvinDevel/incubator-pulsar,agarman/pulsar,ArvinDevel/incubator-pulsar,merlimat/pulsar,nkurihar/pulsar,sschepens/pulsar,massakam/pulsar,yush1ga/pulsar,saandrews/pulsar,tkb77/pulsar,bradtm/pulsar,nkurihar/pulsar,tkb77/pulsar,jai1/pulsar,yahoo/pulsar,nkurihar/pulsar,yush1ga/pulsar,agarman/pulsar,merlimat/pulsar,ArvinDevel/incubator-pulsar,tkb77/pulsar,massakam/pulsar,sschepens/pulsar,saandrews/pulsar,jai1/pulsar,jai1/pulsar,bradtm/pulsar,ArvinDevel/incubator-pulsar,merlimat/pulsar,sschepens/pulsar,sschepens/pulsar,nkurihar/pulsar,yush1ga/pulsar,saandrews/pulsar,merlimat/pulsar,jai1/pulsar,massakam/pulsar,tkb77/pulsar,jai1/pulsar,ArvinDevel/incubator-pulsar,agarman/pulsar,yush1ga/pulsar,ArvinDevel/incubator-pulsar,tkb77/pulsar,sschepens/pulsar,yahoo/pulsar,saandrews/pulsar