Use "key_files" instead of "key" argument since "key" is deprecated and we don't perform a mutally exclusive check for key argument.
Use "key_files" instead of "key" argument since "key" is deprecated and we don't
perform a mutally exclusive check for key argument.

Plexxi/st2,peak6/st2,lakshmi-kannan/st2,tonybaloney/st2,tonybaloney/st2,punalpatel/st2,Plexxi/st2,pixelrebel/st2,nzlosh/st2,pixelrebel/st2,nzlosh/st2,lakshmi-kannan/st2,nzlosh/st2,emedvedev/st2,StackStorm/st2,Plexxi/st2,punalpatel/st2,StackStorm/st2,peak6/st2,emedvedev/st2,nzlosh/st2,peak6/st2,StackStorm/st2,emedvedev/st2,pixelrebel/st2,StackStorm/st2,tonybaloney/st2,punalpatel/st2,Plexxi/st2,lakshmi-kannan/st2