added code for ee stack install --all,ee stack remove --all, ee stack purge --all
added code for ee stack install --all,ee stack remove --all, ee stack purge --all

rjdp/Easynginedemoplugin,gdm/easyengine,rjdp/EE-dbmigrate,rtCamp/easyengine,Jurisdesk/freedoms,gdm/easyengine,liquidia/easyengine,Jurisdesk/freedoms,pjv/easyengine,pjv/easyengine,rtCamp/easyengine,rjdp/EE-dbmigrate,pjv/easyengine,mehulsbhatt/easyengine,harshadyeola/easyengine,rjdp/Easynginedemoplugin,skmezanul/easyengine,EasyEngine/easyengine,harshadyeola/easyengine,rjdp/EE-dbmigrate,EasyEngine/easyengine,Jurisdesk/freedoms,mehulsbhatt/easyengine,skmezanul/easyengine,gdm/easyengine,rtCamp/easyengine,liquidia/easyengine,liquidia/easyengine,rjdp/Easynginedemoplugin,skmezanul/easyengine,harshadyeola/easyengine,mehulsbhatt/easyengine