Add an Info class to provide generic info about Open XAL. Currently we just support a label.
Add an Info class to provide generic info about Open XAL. Currently we just support a label.

EuropeanSpallationSource/openxal,luxiaohan/openxal-csns-luxh,openxal/openxal,openxal/openxal,EuropeanSpallationSource/openxal,luxiaohan/openxal-csns-luxh,EuropeanSpallationSource/openxal,openxal/openxal,EuropeanSpallationSource/openxal,openxal/openxal,luxiaohan/openxal-csns-luxh,EuropeanSpallationSource/openxal,openxal/openxal,luxiaohan/openxal-csns-luxh