webui: some editor style tweaks (#234)

* initial support for leddevice options

* fix schema and editor init

* fix led editor labels and schema

* add some led schemas

* led config: insert current values. not yet perfect, but it works

* tune editor style

libsrc/leddevice/schemas/schema-philipshue.json

@@ -12,8 +12,11 @@
 			"default": "newdeveloper"
 		},
 		"lightIds": {
-			"type": "integer",
-			"title":"Light ids"
+			"type": "array",
+			"title":"Light ids",
+			"items": {
+				"type" : "integer"
+			}
 		},
 		"transitiontime": {
 			"type": "integer",