Fix pack install Alias formats
Fix pack install Alias formats

'=' is not acceptable in Action Alias as separator between pack=version

Plexxi/st2,lakshmi-kannan/st2,nzlosh/st2,nzlosh/st2,tonybaloney/st2,nzlosh/st2,Plexxi/st2,peak6/st2,nzlosh/st2,lakshmi-kannan/st2,tonybaloney/st2,Plexxi/st2,peak6/st2,StackStorm/st2,tonybaloney/st2,StackStorm/st2,lakshmi-kannan/st2,StackStorm/st2,Plexxi/st2,peak6/st2,StackStorm/st2