Added Date Excel column copy

config/locales/en.yml

@@ -1057,6 +1057,7 @@ en:
         Languages: Languages
         Total_Donations: Total Donations
         Total_Registrations: Total Registrations
+        Date: Registration Date
     about_bikebike:
       paragraphs:
         bicycle_project_paragraph: 'From collectives that use the bicycle as an excuse to change society, economy and the environment. Non-profit groups that have a community bike shops, cooperatives and other projects that promote the use of the bicycle and that come together to turn their communities into a place where riding is easier, more inclusive, safer and more fun. The list below uses the criteria found in the old Bicycle Organization Organization Project for what constitutes a community bike shop. The bike project need not meet all these criteria. Rather, it is a general list of qualities which are common among many bicycle projects.'