Add a single range-based for loop.
Add a single range-based for loop.

This is a test to see if anyone screams about changing the standard.

Refs #6993, #6887.

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