Added function declaration newAssemblyArray()
Added function declaration newAssemblyArray()

and deleteAssemblyArray() and initNullSpaceVectors()

Ref #7398

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