make it possible to do filtering with the spout scheme
make it possible to do filtering with the spout scheme

adityasharad/storm,knusbaum/incubator-storm,cluo512/storm,sakanaou/storm,erikdw/storm,kevinconaway/storm,pczb/storm,knusbaum/incubator-storm,kevpeek/storm,carl34/storm,sakanaou/storm,hmcc/storm,kevpeek/storm,erikdw/storm,ujfjhz/storm,hmcc/storm,0x726d77/storm,srdo/storm,pczb/storm,0x726d77/storm,sakanaou/storm,kamleshbhatt/storm,Crim/storm,hmcl/storm-apache,adityasharad/storm,Aloomaio/incubator-storm,hmcl/storm-apache,srdo/storm,hmcc/storm,sakanaou/storm,kevinconaway/storm,hmcl/storm-apache,carl34/storm,sakanaou/storm,pczb/storm,hmcc/storm,kishorvpatil/incubator-storm,ujfjhz/storm,metamx/incubator-storm,cluo512/storm,kamleshbhatt/storm,Aloomaio/incubator-storm,srishtyagrawal/storm,raviperi/storm,erikdw/storm,0x726d77/storm,metamx/incubator-storm,srishtyagrawal/storm,raviperi/storm,Crim/storm,ujfjhz/storm,kishorvpatil/incubator-storm,knusbaum/incubator-storm,kishorvpatil/incubator-storm,F30/storm,kamleshbhatt/storm,Crim/storm,srdo/storm,knusbaum/incubator-storm,cluo512/storm,pczb/storm,Aloomaio/incubator-storm,kamleshbhatt/storm,adityasharad/storm,F30/storm,kevpeek/storm,cluo512/storm,metamx/incubator-storm,raviperi/storm,sakanaou/storm,kevpeek/storm,kishorvpatil/incubator-storm,carl34/storm,pczb/storm,raviperi/storm,roshannaik/storm,ujfjhz/storm,Crim/storm,F30/storm,0x726d77/storm,kevpeek/storm,Aloomaio/incubator-storm,carl34/storm,srdo/storm,raviperi/storm,knusbaum/incubator-storm,F30/storm,roshannaik/storm,erikdw/storm,Aloomaio/incubator-storm,Aloomaio/incubator-storm,F30/storm,cluo512/storm,metamx/incubator-storm,srdo/storm,Aloomaio/incubator-storm,kamleshbhatt/storm,cluo512/storm,knusbaum/incubator-storm,hmcl/storm-apache,srishtyagrawal/storm,hmcc/storm,adityasharad/storm,hmcl/storm-apache,F30/storm,kamleshbhatt/storm,srishtyagrawal/storm,carl34/storm,srishtyagrawal/storm,kevpeek/storm,adityasharad/storm,roshannaik/storm,roshannaik/storm,kevinconaway/storm,srishtyagrawal/storm,adityasharad/storm,ujfjhz/storm,hmcc/storm,adityasharad/storm,hmcc/storm,pczb/storm,erikdw/storm,roshannaik/storm,0x726d77/storm,ujfjhz/storm,kevpeek/storm,raviperi/storm,srdo/storm,kevinconaway/storm,F30/storm,hmcl/storm-apache,erikdw/storm,Crim/storm,knusbaum/incubator-storm,0x726d77/storm,kishorvpatil/incubator-storm,pczb/storm,raviperi/storm,kevinconaway/storm,roshannaik/storm,hmcl/storm-apache,sakanaou/storm,srishtyagrawal/storm,metamx/incubator-storm,cluo512/storm,kevinconaway/storm,kamleshbhatt/storm,erikdw/storm,kevinconaway/storm,ujfjhz/storm,kishorvpatil/incubator-storm,0x726d77/storm,carl34/storm,roshannaik/storm,Crim/storm,Crim/storm,carl34/storm,kishorvpatil/incubator-storm,srdo/storm