Fix warnings and spacing around operators in InputParameters.
Fix warnings and spacing around operators in InputParameters.

Refs #1777.

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