CFY-606 remove explicit agent/plugin installer mapping for non windows server type
CFY-606 remove explicit agent/plugin installer mapping for non windows server type

codilime/cloudify-openstack-plugin,geokala/cloudify-openstack-plugin,GigaSpaces-ProfessionalServices/cloudify-openstack-plugin,isaac-s/cloudify-openstack-plugin,szpotona/cloudify-openstack-plugin