Add an adjustable framerate to the media player
Add an adjustable framerate to the media player

closes #8922

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