kubernetes: Add an Etcdclient.close() method
kubernetes: Add an Etcdclient.close() method

Closes #2194
Reviewed-by: Peter <a316049dd34607c62d4611d63ab22a6454add223@redhat.com>

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