Merged PR 444: Refactor application install

## Summary
* Remove the ip address parameter from application install
* Make it possible to install any application that exists
* Add new configuration actions for applications
* Add an application registry to match names to application classes

## Test process
* several new tests
* notebooks still running

## Checklist
- [X] PR is linked to a **work item**
- [X] **acceptance criteria** of linked ticket are met
- [X] performed **self-review** of the code
- [X] written **tests** for any new functionality added with this PR
- [ ] updated the **documentation** if this PR changes or adds functionality
- [ ] written/updated **design docs** if this PR implements new functionality
- [ ] updated the **change log**
- [X] ran **pre-commit** checks for code style
- [X] attended to any **TO-DOs** left in the code

Related work items: #2438, #2705

tests/integration_tests/system/test_application_on_node.py

@@ -21,7 +21,7 @@ def populated_node(application_class) -> Tuple[Application, Computer]:
     computer.power_on()
     computer.software_manager.install(application_class)
 
-    app = computer.software_manager.software.get("TestApplication")
+    app = computer.software_manager.software.get("DummyApplication")
     app.run()
 
     return app, computer
@@ -39,7 +39,7 @@ def test_application_on_offline_node(application_class):
     )
     computer.software_manager.install(application_class)
 
-    app: Application = computer.software_manager.software.get("TestApplication")
+    app: Application = computer.software_manager.software.get("DummyApplication")
 
     computer.power_off()