Cleanup of some REST layers.

docs/zap-schema.svg

src-electron/rest/static-zcl.js

src-shared/rest-api.js

src/App.vue

src/components/ZclEndpointCard.vue

src/store/zap/actions.js

src/store/zap/state.js

test/server-bare.test.js

test/server-with-zcl.test.js