update XML comment on JsonConfiguration to show ISO8601 is true by default
update XML comment on JsonConfiguration to show ISO8601 is true by default

davidallyoung/Nancy,charleypeng/Nancy,JoeStead/Nancy,jeff-pang/Nancy,anton-gogolev/Nancy,NancyFx/Nancy,sloncho/Nancy,anton-gogolev/Nancy,charleypeng/Nancy,jchannon/Nancy,asbjornu/Nancy,thecodejunkie/Nancy,VQComms/Nancy,NancyFx/Nancy,thecodejunkie/Nancy,khellang/Nancy,charleypeng/Nancy,NancyFx/Nancy,ccellar/Nancy,jeff-pang/Nancy,xt0rted/Nancy,asbjornu/Nancy,JoeStead/Nancy,asbjornu/Nancy,davidallyoung/Nancy,thecodejunkie/Nancy,danbarua/Nancy,ccellar/Nancy,sadiqhirani/Nancy,phillip-haydon/Nancy,xt0rted/Nancy,thecodejunkie/Nancy,phillip-haydon/Nancy,xt0rted/Nancy,sadiqhirani/Nancy,charleypeng/Nancy,felipeleusin/Nancy,phillip-haydon/Nancy,sadiqhirani/Nancy,blairconrad/Nancy,khellang/Nancy,xt0rted/Nancy,davidallyoung/Nancy,felipeleusin/Nancy,sloncho/Nancy,jchannon/Nancy,khellang/Nancy,VQComms/Nancy,anton-gogolev/Nancy,asbjornu/Nancy,damianh/Nancy,jeff-pang/Nancy,anton-gogolev/Nancy,felipeleusin/Nancy,VQComms/Nancy,phillip-haydon/Nancy,felipeleusin/Nancy,sloncho/Nancy,NancyFx/Nancy,ccellar/Nancy,asbjornu/Nancy,blairconrad/Nancy,davidallyoung/Nancy,jchannon/Nancy,damianh/Nancy,JoeStead/Nancy,charleypeng/Nancy,khellang/Nancy,jeff-pang/Nancy,danbarua/Nancy,jchannon/Nancy,danbarua/Nancy,VQComms/Nancy,sloncho/Nancy,damianh/Nancy,davidallyoung/Nancy,danbarua/Nancy,jchannon/Nancy,blairconrad/Nancy,VQComms/Nancy,ccellar/Nancy,sadiqhirani/Nancy,blairconrad/Nancy,JoeStead/Nancy