Fix NetcdfFiles.makeFullName() for Group
Fix NetcdfFiles.makeFullName() for Group

Fix error in makeFullName - it was leaving off the initial parent group
if more than two parent groups were present.

Unidata/netcdf-java,Unidata/netcdf-java,Unidata/netcdf-java,Unidata/netcdf-java,Unidata/netcdf-java,Unidata/netcdf-java,Unidata/netcdf-java