RK-2 fixes (refs #1929)
RK-2 fixes (refs #1929)

+ set solver defaults before stage 2
+ while the jacobian is not recomputed, the first stage of RK has to be in form: J = -1/2 F^{n}

r22562

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