Update CONTRIBUTING.md
Update CONTRIBUTING.md

Added hyphens -- per the style used in the rest of the document.
bluebreezecf/influxdb,mark-rushakoff/influxdb,vladlopes/influxdb,influxdb/influxdb,influxdb/influxdb,daachi/influxdb,jgeiger/influxdb,mvadu/influxdb,m4ce/influxdb,linearb/influxdb,pablolmiranda/influxdb,lgpeterson/influxdb,samaitra/influxdb,daachi/influxdb,joaopedrotaveira/influxdb,samaitra/influxdb,pkittenis/influxdb,apigee/influxdb,pkittenis/influxdb,joaopedrotaveira/influxdb,Mindera/influxdb,n1tr0g/influxdb,vladlopes/influxdb,apigee/influxdb,n1tr0g/influxdb,mnuessler/influxdb,Mindera/influxdb,linearb/influxdb,arussellsaw/influxdb,nooproblem/influxdb,Mindera/influxdb,pkittenis/influxdb,mark-rushakoff/influxdb,nickrobinson/influxdb,sudabon/influxdb,pablolmiranda/influxdb,influxdb/influxdb,nickrobinson/influxdb,CVTJNII/influxdb-tjnii,jgeiger/influxdb,runner-mei/influxdb,apigee/influxdb,li-ang/influxdb,influxdb/influxdb,mvadu/influxdb,pkittenis/influxdb,m4ce/influxdb,jipperinbham/influxdb,otoolep/influxdb,sudabon/influxdb,jgeiger/influxdb,nickrobinson/influxdb,samaitra/influxdb,arussellsaw/influxdb,sudabon/influxdb,benbjohnson/influxdb,jonseymour/influxdb,arussellsaw/influxdb,samaitra/influxdb,mvadu/influxdb,otoolep/influxdb,m4ce/influxdb,influxdata/influxdb,mnuessler/influxdb,mark-rushakoff/influxdb,jonseymour/influxdb,arussellsaw/influxdb,n1tr0g/influxdb,lgpeterson/influxdb,influxdb/influxdb,bluebreezecf/influxdb,mvadu/influxdb,mre/influxdb,chenziliang/influxdb,mnuessler/influxdb,daachi/influxdb,vladlopes/influxdb,jgeiger/influxdb,archsaber/influxdb,mnuessler/influxdb,archsaber/influxdb,bluebreezecf/influxdb,pkittenis/influxdb,influxdb/influxdb,daachi/influxdb,jipperinbham/influxdb,samaitra/influxdb,mre/influxdb,daachi/influxdb,arussellsaw/influxdb,joaopedrotaveira/influxdb,lgpeterson/influxdb,joaopedrotaveira/influxdb,jipperinbham/influxdb,samaitra/influxdb,linearb/influxdb,m4ce/influxdb,mark-rushakoff/influxdb,otoolep/influxdb,jonseymour/influxdb,apigee/influxdb,pablolmiranda/influxdb,chenziliang/influxdb,CVTJNII/influxdb-tjnii,otoolep/influxdb,mre/influxdb,influxdata/influxdb,arussellsaw/influxdb,jgeiger/influxdb,mnuessler/influxdb,li-ang/influxdb,mark-rushakoff/influxdb,CVTJNII/influxdb-tjnii,mre/influxdb,lgpeterson/influxdb,pablolmiranda/influxdb,benbjohnson/influxdb,vladlopes/influxdb,bluebreezecf/influxdb,runner-mei/influxdb,nooproblem/influxdb,pablolmiranda/influxdb,benbjohnson/influxdb,jonseymour/influxdb,n1tr0g/influxdb,archsaber/influxdb,otoolep/influxdb,joaopedrotaveira/influxdb,apigee/influxdb,mvadu/influxdb,linearb/influxdb,m4ce/influxdb,sudabon/influxdb,n1tr0g/influxdb,archsaber/influxdb,Mindera/influxdb,jgeiger/influxdb,jipperinbham/influxdb,jonseymour/influxdb,apigee/influxdb,mark-rushakoff/influxdb,Mindera/influxdb,lgpeterson/influxdb,otoolep/influxdb,CVTJNII/influxdb-tjnii,daachi/influxdb,pkittenis/influxdb,runner-mei/influxdb,jipperinbham/influxdb,nickrobinson/influxdb,mvadu/influxdb,runner-mei/influxdb,CVTJNII/influxdb-tjnii,jonseymour/influxdb,nooproblem/influxdb,Mindera/influxdb,jipperinbham/influxdb,sudabon/influxdb,sudabon/influxdb,CVTJNII/influxdb-tjnii,mnuessler/influxdb,m4ce/influxdb,n1tr0g/influxdb,benbjohnson/influxdb,chenziliang/influxdb,bluebreezecf/influxdb,chenziliang/influxdb,nooproblem/influxdb,linearb/influxdb,nooproblem/influxdb,nickrobinson/influxdb,mre/influxdb