Change assert to error in DebugResidualAux closes #5678
Change assert to error in DebugResidualAux
closes #5678

dschwen/moose,jessecarterMOOSE/moose,laagesen/moose,giopastor/moose,nuclear-wizard/moose,lindsayad/moose,yipenggao/moose,sapitts/moose,katyhuff/moose,YaqiWang/moose,idaholab/moose,liuwenf/moose,andrsd/moose,permcody/moose,friedmud/moose,jessecarterMOOSE/moose,nuclear-wizard/moose,milljm/moose,kasra83/moose,backmari/moose,yipenggao/moose,laagesen/moose,lindsayad/moose,milljm/moose,Chuban/moose,jessecarterMOOSE/moose,backmari/moose,jiangwen84/moose,katyhuff/moose,laagesen/moose,dschwen/moose,idaholab/moose,joshua-cogliati-inl/moose,joshua-cogliati-inl/moose,jasondhales/moose,mellis13/moose,YaqiWang/moose,permcody/moose,idaholab/moose,SudiptaBiswas/moose,bwspenc/moose,jiangwen84/moose,backmari/moose,adamLange/moose,permcody/moose,liuwenf/moose,adamLange/moose,wgapl/moose,joshua-cogliati-inl/moose,milljm/moose,Chuban/moose,jhbradley/moose,joshua-cogliati-inl/moose,liuwenf/moose,idaholab/moose,harterj/moose,SudiptaBiswas/moose,kasra83/moose,wgapl/moose,liuwenf/moose,jhbradley/moose,jessecarterMOOSE/moose,giopastor/moose,dschwen/moose,lindsayad/moose,bwspenc/moose,adamLange/moose,sapitts/moose,milljm/moose,SudiptaBiswas/moose,jasondhales/moose,jasondhales/moose,yipenggao/moose,nuclear-wizard/moose,andrsd/moose,wgapl/moose,harterj/moose,friedmud/moose,stimpsonsg/moose,milljm/moose,backmari/moose,liuwenf/moose,bwspenc/moose,jiangwen84/moose,permcody/moose,jhbradley/moose,kasra83/moose,friedmud/moose,stimpsonsg/moose,kasra83/moose,laagesen/moose,idaholab/moose,stimpsonsg/moose,mellis13/moose,laagesen/moose,harterj/moose,SudiptaBiswas/moose,sapitts/moose,bwspenc/moose,jhbradley/moose,YaqiWang/moose,dschwen/moose,adamLange/moose,andrsd/moose,jessecarterMOOSE/moose,sapitts/moose,lindsayad/moose,yipenggao/moose,harterj/moose,liuwenf/moose,YaqiWang/moose,giopastor/moose,friedmud/moose,sapitts/moose,jasondhales/moose,Chuban/moose,wgapl/moose,katyhuff/moose,mellis13/moose,lindsayad/moose,mellis13/moose,giopastor/moose,katyhuff/moose,dschwen/moose,SudiptaBiswas/moose,andrsd/moose,Chuban/moose,nuclear-wizard/moose,andrsd/moose,stimpsonsg/moose,harterj/moose,jiangwen84/moose,bwspenc/moose