Add 'update' to nodefirmware
Add 'update' to nodefirmware

nodefirmware can now execute updates on a file by file basis.

xcat2/confluent,whowutwut/confluent,whowutwut/confluent,xcat2/confluent,xcat2/confluent,jjohnson42/confluent,whowutwut/confluent,jjohnson42/confluent,jjohnson42/confluent,xcat2/confluent,xcat2/confluent,jjohnson42/confluent,jjohnson42/confluent,whowutwut/confluent