Removing deprecated JSON Protocol from README.md
Removing deprecated JSON Protocol from README.md

The following panic is produced when running the code from the 'Find the last 10 _shapes_ records' section:

panic: interface conversion: interface is string, not json.Number

I have changed the type assertion from type json.Number to type string and amended the log output for the string type.
runner-mei/influxdb,samaitra/influxdb,mvadu/influxdb,jonseymour/influxdb,mcanthony/influxdb,jipperinbham/influxdb,pablolmiranda/influxdb,CVTJNII/influxdb-tjnii,nickrobinson/influxdb,influxdb/influxdb,li-ang/influxdb,paulstuart/influxdb,benbjohnson/influxdb,archsaber/influxdb,mre/influxdb,n1tr0g/influxdb,archsaber/influxdb,influxdb/influxdb,Mindera/influxdb,josephcopenhaver/influxdb,otoolep/influxdb,nooproblem/influxdb,vladlopes/influxdb,m4ce/influxdb,linearb/influxdb,arussellsaw/influxdb,mark-rushakoff/influxdb,bluebreezecf/influxdb,nickrobinson/influxdb,apigee/influxdb,pkittenis/influxdb,mark-rushakoff/influxdb,apigee/influxdb,sudabon/influxdb,lenko-d/influxdb,m4ce/influxdb,benbjohnson/influxdb,jonseymour/influxdb,n1tr0g/influxdb,nooproblem/influxdb,archsaber/influxdb,lenko-d/influxdb,mcanthony/influxdb,mre/influxdb,chenziliang/influxdb,influxdb/influxdb,daachi/influxdb,apigee/influxdb,influxdb/influxdb,influxdata/influxdb,mvadu/influxdb,pkittenis/influxdb,nickrobinson/influxdb,n1tr0g/influxdb,Mindera/influxdb,mnuessler/influxdb,joaopedrotaveira/influxdb,n1tr0g/influxdb,pkittenis/influxdb,CVTJNII/influxdb-tjnii,arussellsaw/influxdb,nooproblem/influxdb,mcanthony/influxdb,CVTJNII/influxdb-tjnii,eminden/influxdb,linearb/influxdb,otoolep/influxdb,roobert/influxdb,paulstuart/influxdb,CVTJNII/influxdb-tjnii,lenko-d/influxdb,linearb/influxdb,vladlopes/influxdb,runner-mei/influxdb,arussellsaw/influxdb,daachi/influxdb,mark-rushakoff/influxdb,archsaber/influxdb,Mindera/influxdb,mnuessler/influxdb,n1tr0g/influxdb,daachi/influxdb,mnuessler/influxdb,m4ce/influxdb,nooproblem/influxdb,roobert/influxdb,CVTJNII/influxdb-tjnii,chenziliang/influxdb,mnuessler/influxdb,samaitra/influxdb,apigee/influxdb,pablolmiranda/influxdb,mnuessler/influxdb,joaopedrotaveira/influxdb,mre/influxdb,sudabon/influxdb,vladlopes/influxdb,opavader/influxdb,chenziliang/influxdb,runner-mei/influxdb,eminden/influxdb,opavader/influxdb,jipperinbham/influxdb,n1tr0g/influxdb,arussellsaw/influxdb,jipperinbham/influxdb,bluebreezecf/influxdb,vladlopes/influxdb,Mindera/influxdb,otoolep/influxdb,opavader/influxdb,pkittenis/influxdb,mvadu/influxdb,m4ce/influxdb,eminden/influxdb,opavader/influxdb,influxdb/influxdb,arussellsaw/influxdb,jgeiger/influxdb,roobert/influxdb,Mindera/influxdb,sudabon/influxdb,samaitra/influxdb,mark-rushakoff/influxdb,josephcopenhaver/influxdb,eminden/influxdb,mvadu/influxdb,roobert/influxdb,apigee/influxdb,paulstuart/influxdb,linearb/influxdb,lenko-d/influxdb,mre/influxdb,m4ce/influxdb,bluebreezecf/influxdb,jgeiger/influxdb,sudabon/influxdb,lgpeterson/influxdb,lgpeterson/influxdb,lgpeterson/influxdb,li-ang/influxdb,influxdb/influxdb,pablolmiranda/influxdb,influxdata/influxdb,joaopedrotaveira/influxdb,jgeiger/influxdb,sudabon/influxdb,chenziliang/influxdb,sudabon/influxdb,pkittenis/influxdb,mcanthony/influxdb,mvadu/influxdb,jgeiger/influxdb,lgpeterson/influxdb,linearb/influxdb,apigee/influxdb,roobert/influxdb,CVTJNII/influxdb-tjnii,paulstuart/influxdb,mark-rushakoff/influxdb,jipperinbham/influxdb,bluebreezecf/influxdb,otoolep/influxdb,opavader/influxdb,runner-mei/influxdb,jipperinbham/influxdb,pablolmiranda/influxdb,jgeiger/influxdb,jonseymour/influxdb,josephcopenhaver/influxdb,josephcopenhaver/influxdb,mvadu/influxdb,paulstuart/influxdb,jonseymour/influxdb,mnuessler/influxdb,jonseymour/influxdb,jonseymour/influxdb,lgpeterson/influxdb,m4ce/influxdb,samaitra/influxdb,nooproblem/influxdb,lenko-d/influxdb,jgeiger/influxdb,bluebreezecf/influxdb,pablolmiranda/influxdb,nickrobinson/influxdb,benbjohnson/influxdb,Mindera/influxdb,samaitra/influxdb,daachi/influxdb,jipperinbham/influxdb,eminden/influxdb,pkittenis/influxdb,josephcopenhaver/influxdb,nickrobinson/influxdb,mre/influxdb,samaitra/influxdb,mark-rushakoff/influxdb,otoolep/influxdb,mcanthony/influxdb,otoolep/influxdb,joaopedrotaveira/influxdb,daachi/influxdb,daachi/influxdb,benbjohnson/influxdb,joaopedrotaveira/influxdb,arussellsaw/influxdb