All Apps compile without --enable-legacy-namespace - closes idaholab/relap-7#1856
All Apps compile without --enable-legacy-namespace - closes idaholab/relap-7#1856

r17667

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