Adding Tests: Device Power (#1463)

* broke component validation out to its own function. Adding logic for validating device power input.

* Added console-port poe true for adapters. Updating devices to add proper power sources.

* Adding switches to allow for tests to properly determine POE status.

* Fixing files with missing power definitions.

schema/devicetype.json

@@ -60,6 +60,9 @@
                 "child"
             ]
         },
+        "is_powered": {
+          "type": "boolean"
+        },
         "console-ports": {
             "type": "array",
             "items": {