Move methods outside class definition and add some more doxygen
Move methods outside class definition and add some more doxygen

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