assign @team always

We want want to assign the @team variable always in 10_setupvars, because
otherwise things get wierd during reassignment in remote tasks. There's no
reason we don't want this behavior.

Signed-off-by: Moses Mendoza <moses@puppetlabs.com>
Enable overriding ship target for PE ship on demand

With an environment variable.

Signed-off-by: Moses Mendoza <moses@puppetlabs.com>