Applied naming conventions to enthalpy
Applied naming conventions to enthalpy

Refs idaholab/relap-7#453

bwspenc/moose,idaholab/moose,jessecarterMOOSE/moose,sapitts/moose,idaholab/moose,milljm/moose,jessecarterMOOSE/moose,bwspenc/moose,lindsayad/moose,lindsayad/moose,harterj/moose,milljm/moose,sapitts/moose,harterj/moose,bwspenc/moose,laagesen/moose,lindsayad/moose,dschwen/moose,andrsd/moose,andrsd/moose,laagesen/moose,andrsd/moose,idaholab/moose,dschwen/moose,jessecarterMOOSE/moose,harterj/moose,idaholab/moose,laagesen/moose,dschwen/moose,andrsd/moose,lindsayad/moose,andrsd/moose,harterj/moose,bwspenc/moose,idaholab/moose,sapitts/moose,dschwen/moose,lindsayad/moose,milljm/moose,milljm/moose,bwspenc/moose,jessecarterMOOSE/moose,sapitts/moose,jessecarterMOOSE/moose,sapitts/moose,milljm/moose,harterj/moose,laagesen/moose,dschwen/moose,laagesen/moose