This is now handled manually by updating the Allocation Supply

See 1173ea0e

it was dropped from slapos_web

* draft Remote Node security
* create 2 projects to simulate remote allocation
* remote node security interaction workflow

It will be used to create cross master allocation

* test slave allocation on the same instance tree
* give more security group to instances

* allocate slave on instance from the same instance tree
* method to request and allocate slave instance from an instance tree