web: Get upper limit from /proc/meminfo for container resource sliders
web: Get upper limit from /proc/meminfo for container resource sliders

Fixes #390
Closes #636

Signed-off-by: Stef Walter <8a7fbf0f15d3ad982af54ef28f5c117d2494b76c@redhat.com>
 - Rebased and fixed conflict

cockpituous/cockpit,arilivigni/cockpit,SotolitoLabs/cockpit,harishanand95/cockpit,SotolitoLabs/cockpit,cockpituous/cockpit,petervo/cockpit,netzvieh/cockpit,Thermionix/cockpit,larskarlitski/cockpit,stefwalter/cockpit,vbatts/cockpit,Armstrong1992/cockpit,moraleslazaro/cockpit,martinpitt/cockpit,larskarlitski/cockpit,andreasn/cockpit,cockpituous/cockpit,kkaempf/cockpit,fridex/cockpit,vanloswang/cockpit,dperpeet/cockpit,sgallagher/cockpit,jscotka/cockpit,Scribery/cockpit,cockpit-project/cockpit,dperpeet/cockpit,garrett/cockpit,stefwalter/cockpit,firebitsbr/cockpit,maxamillion/cockpit,moolitayer/cockpit,cockpit-project/cockpit,martinpitt/cockpit,andreasn/cockpit,michalskrivanek/cockpit,sgallagher/cockpit,Armstrong1992/cockpit,FireDrunk/cockpit,vbatts/cockpit,petervo/cockpit,fridex/cockpit,firebitsbr/cockpit,fridex/cockpit,larskarlitski/cockpit,petervo/cockpit,sub-mod/cockpit,mareklibra/cockpit,larsu/cockpit,stefwalter/cockpit,moraleslazaro/cockpit,dperpeet/cockpit,denysvitali/cockpit,FireDrunk/cockpit,haiyangd/cockpit_view,sgallagher/cockpit,Thermionix/cockpit,stefwalter/cockpit,arilivigni/cockpit,cockpit-project/cockpit,Scribery/cockpit,evol262/cockpit,garrett/cockpit,denysvitali/cockpit,stefwalter/cockpit,deryni/cockpit,michalskrivanek/cockpit,maxamillion/cockpit,arilivigni/cockpit,Scribery/cockpit,larsu/cockpit,fridex/cockpit,michalskrivanek/cockpit,dperpeet/cockpit,stefwalter/cockpit,mvollmer/cockpit,zigitax/cockpit,garrett/cockpit,Armstrong1992/cockpit,vanloswang/cockpit,zigitax/cockpit,jscotka/cockpit,petervo/cockpit,matobet/cockpit,harishanand95/cockpit,vanloswang/cockpit,sub-mod/cockpit,Armstrong1992/cockpit,mvollmer/cockpit,zigitax/cockpit,kkaempf/cockpit,Thermionix/cockpit,SotolitoLabs/cockpit,jscotka/cockpit,deryni/cockpit,zigitax/cockpit,andreasn/cockpit,petervo/cockpit,dperpeet/cockpit,andreasn/cockpit,mareklibra/cockpit,moraleslazaro/cockpit,vanloswang/cockpit,larskarlitski/cockpit,haiyangd/cockpit_view,cockpit-project/cockpit,harishanand95/cockpit,xhad/cockpit,nmav/cockpit,petervo/cockpit,Scribery/cockpit,deryni/cockpit,maxamillion/cockpit,maxamillion/cockpit,kkaempf/cockpit,garrett/cockpit,matobet/cockpit,jscotka/cockpit,netzvieh/cockpit,vanloswang/cockpit,martinpitt/cockpit,firebitsbr/cockpit,deryni/cockpit,xhad/cockpit,cockpituous/cockpit,larsu/cockpit,kkaempf/cockpit,harishanand95/cockpit,petervo/cockpit,larsu/cockpit,FireDrunk/cockpit,xhad/cockpit,SotolitoLabs/cockpit,zigitax/cockpit,harishanand95/cockpit,vanloswang/cockpit,sgallagher/cockpit,moolitayer/cockpit,matobet/cockpit,mvollmer/cockpit,sgallagher/cockpit,evol262/cockpit,xhad/cockpit,arilivigni/cockpit,evol262/cockpit,FireDrunk/cockpit,sub-mod/cockpit,haiyangd/cockpit_view,SotolitoLabs/cockpit,larsu/cockpit,moraleslazaro/cockpit,cockpit-project/cockpit,mareklibra/cockpit,netzvieh/cockpit,mareklibra/cockpit,garrett/cockpit,sgallagher/cockpit,jscotka/cockpit,moolitayer/cockpit,michalskrivanek/cockpit,nmav/cockpit,mareklibra/cockpit,Scribery/cockpit,Thermionix/cockpit,moraleslazaro/cockpit,moolitayer/cockpit,matobet/cockpit,darioajr/cockpit,michalskrivanek/cockpit,stefwalter/cockpit,denysvitali/cockpit,moolitayer/cockpit,netzvieh/cockpit,sub-mod/cockpit,deryni/cockpit,netzvieh/cockpit,Thermionix/cockpit,nmav/cockpit,moraleslazaro/cockpit,vbatts/cockpit,dperpeet/cockpit,larskarlitski/cockpit,evol262/cockpit,SotolitoLabs/cockpit,vbatts/cockpit,darioajr/cockpit,martinpitt/cockpit,harishanand95/cockpit,FireDrunk/cockpit,larskarlitski/cockpit,moraleslazaro/cockpit,haiyangd/cockpit_view,evol262/cockpit,andreasn/cockpit,arilivigni/cockpit,Scribery/cockpit,Scribery/cockpit,firebitsbr/cockpit,larskarlitski/cockpit,mvollmer/cockpit,darioajr/cockpit,denysvitali/cockpit,sub-mod/cockpit,nmav/cockpit,darioajr/cockpit,SotolitoLabs/cockpit,vbatts/cockpit,michalskrivanek/cockpit,haiyangd/cockpit_view,netzvieh/cockpit,arilivigni/cockpit,nmav/cockpit,jscotka/cockpit,fridex/cockpit,Thermionix/cockpit,maxamillion/cockpit,cockpituous/cockpit,Armstrong1992/cockpit,mareklibra/cockpit,xhad/cockpit,larsu/cockpit,mareklibra/cockpit,harishanand95/cockpit,darioajr/cockpit,vanloswang/cockpit,kkaempf/cockpit,michalskrivanek/cockpit,andreasn/cockpit,xhad/cockpit,vbatts/cockpit,deryni/cockpit,sgallagher/cockpit,dperpeet/cockpit,cockpituous/cockpit,martinpitt/cockpit,matobet/cockpit,matobet/cockpit,fridex/cockpit,evol262/cockpit,arilivigni/cockpit,mvollmer/cockpit,andreasn/cockpit,firebitsbr/cockpit,xhad/cockpit,denysvitali/cockpit,deryni/cockpit