allow setting initial gradient with new initial condition system
allow setting initial gradient with new initial condition system

r1282

nuclear-wizard/moose,idaholab/moose,kasra83/moose,laagesen/moose,raghavaggarwal/moose,harterj/moose,jhbradley/moose,laagesen/moose,tonkmr/moose,dschwen/moose,sapitts/moose,Chuban/moose,backmari/moose,shanestafford/moose,lindsayad/moose,SudiptaBiswas/moose,jinmm1992/moose,tonkmr/moose,SudiptaBiswas/moose,jasondhales/moose,lindsayad/moose,liuwenf/moose,markr622/moose,wgapl/moose,lindsayad/moose,harterj/moose,jbair34/moose,apc-llc/moose,idaholab/moose,cpritam/moose,xy515258/moose,Chuban/moose,xy515258/moose,roystgnr/moose,sapitts/moose,jessecarterMOOSE/moose,danielru/moose,WilkAndy/moose,yipenggao/moose,sapitts/moose,zzyfisherman/moose,waxmanr/moose,shanestafford/moose,backmari/moose,YaqiWang/moose,joshua-cogliati-inl/moose,dschwen/moose,bwspenc/moose,tonkmr/moose,waxmanr/moose,jhbradley/moose,markr622/moose,andrsd/moose,andrsd/moose,milljm/moose,harterj/moose,friedmud/moose,raghavaggarwal/moose,apc-llc/moose,roystgnr/moose,giopastor/moose,roystgnr/moose,dschwen/moose,kasra83/moose,zzyfisherman/moose,Chuban/moose,jbair34/moose,shanestafford/moose,kasra83/moose,kasra83/moose,jasondhales/moose,backmari/moose,giopastor/moose,permcody/moose,apc-llc/moose,mellis13/moose,yipenggao/moose,jinmm1992/moose,cpritam/moose,permcody/moose,andrsd/moose,mellis13/moose,YaqiWang/moose,yipenggao/moose,dschwen/moose,zzyfisherman/moose,adamLange/moose,milljm/moose,wgapl/moose,laagesen/moose,danielru/moose,markr622/moose,idaholab/moose,capitalaslash/moose,stimpsonsg/moose,sapitts/moose,wgapl/moose,adamLange/moose,jessecarterMOOSE/moose,nuclear-wizard/moose,liuwenf/moose,jiangwen84/moose,giopastor/moose,stimpsonsg/moose,jhbradley/moose,waxmanr/moose,Chuban/moose,SudiptaBiswas/moose,cpritam/moose,jinmm1992/moose,idaholab/moose,yipenggao/moose,lindsayad/moose,liuwenf/moose,YaqiWang/moose,liuwenf/moose,WilkAndy/moose,liuwenf/moose,zzyfisherman/moose,shanestafford/moose,milljm/moose,roystgnr/moose,dschwen/moose,joshua-cogliati-inl/moose,capitalaslash/moose,jiangwen84/moose,nuclear-wizard/moose,katyhuff/moose,bwspenc/moose,raghavaggarwal/moose,shanestafford/moose,bwspenc/moose,tonkmr/moose,jessecarterMOOSE/moose,katyhuff/moose,zzyfisherman/moose,bwspenc/moose,jiangwen84/moose,nuclear-wizard/moose,cpritam/moose,danielru/moose,adamLange/moose,shanestafford/moose,WilkAndy/moose,bwspenc/moose,andrsd/moose,tonkmr/moose,joshua-cogliati-inl/moose,permcody/moose,wgapl/moose,roystgnr/moose,jbair34/moose,giopastor/moose,jinmm1992/moose,stimpsonsg/moose,katyhuff/moose,raghavaggarwal/moose,mellis13/moose,stimpsonsg/moose,sapitts/moose,cpritam/moose,jasondhales/moose,jessecarterMOOSE/moose,laagesen/moose,laagesen/moose,YaqiWang/moose,roystgnr/moose,liuwenf/moose,markr622/moose,jasondhales/moose,milljm/moose,WilkAndy/moose,friedmud/moose,danielru/moose,idaholab/moose,jessecarterMOOSE/moose,andrsd/moose,zzyfisherman/moose,capitalaslash/moose,jhbradley/moose,permcody/moose,backmari/moose,katyhuff/moose,WilkAndy/moose,apc-llc/moose,SudiptaBiswas/moose,xy515258/moose,SudiptaBiswas/moose,cpritam/moose,jiangwen84/moose,lindsayad/moose,milljm/moose,waxmanr/moose,tonkmr/moose,harterj/moose,mellis13/moose,jbair34/moose,harterj/moose,adamLange/moose,friedmud/moose,capitalaslash/moose,WilkAndy/moose,joshua-cogliati-inl/moose,xy515258/moose,roystgnr/moose,friedmud/moose