We can now search the InputParameters object for params directly.
We can now search the InputParameters object for params directly.

Refs idaholab/moose#4606.

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