- Add forwards method to create a receptor address
for any existing Instance that has listener_port defined
- Add forwards method to modify each InstanceLink object
that changes target to the newly created receptor addresses
This migration was implemented as follows:
1. Add a target_new to InstanceLink which is a foreign key
to ReceptorAddress
2. create receptor addresses
3. link to these receptor addresses using the target_new field
4. rename target_new to target
5. drop listener_port and peers_from_control_nodes from Instance
Signed-off-by: Seth Foster <fosterbseth@gmail.com>
7cf639d8eb