Add repository section to package.json
Add repository section to package.json

The absence of the section causes warning in newer npm versions.
premasagar/node-dateformat,robinj/node-dateformat,Mocaworks/dateformat,Mocaworks/dateformat,WoeOm/node-dateformat,premasagar/node-dateformat,felixge/node-dateformat,felixge/node-dateformat,robinj/node-dateformat,WoeOm/node-dateformat