multi bugfix pr ... (#348)

* move name to general
add a version for config file

* start impl. config migrator

* fix typo amd set access level

* fix schemaa name

* fix schema

* add structure for config migrator

* add more structural things for config migrator

* fix not all grabber provide live video

* add schema for trails

effects/schema/trails.json

@@ -0,0 +1,65 @@
+{
+	"type":"object",
+	"script" : "trails.py",
+	"title":"edt_eff_trails_header_title",
+	"required":true,
+	"properties":{
+		"min_len": {
+			"type": "integer",
+			"title":"edt_eff_min_len_title",
+			"default": 2,
+			"minimum" : 1,
+			"propertyOrder" : 1
+		},
+		"max_len": {
+			"type": "integer",
+			"title":"edt_eff_max_len_title",
+			"default": 7,
+			"minimum" : 1,
+			"propertyOrder" : 2
+		},
+		"height": {
+			"type": "integer",
+			"title":"edt_eff_height_title",
+			"default": 8,
+			"minimum" : 1,
+			"propertyOrder" : 3
+		},
+		"trails": {
+			"type": "integer",
+			"title":"edt_eff_trails_title",
+			"default": 3,
+			"minimum" : 1,
+			"propertyOrder" : 4
+		},
+		"speed": {
+			"type": "number",
+			"title":"edt_eff_speed_title",
+			"default": 1.0,
+			"minimum" : 0.1,
+			"propertyOrder" : 5
+		},
+		"random": {
+			"type": "boolean",
+			"title":"edt_eff_random_header_title",
+			"default": false,
+			"propertyOrder" : 6
+		},
+		"color": {
+			"type": "array",
+			"title":"edt_eff_color_title",
+			"format":"colorpicker",
+			"default": [255,0,0],
+			"items" : {
+				"type": "integer",
+				"minimum": 0,
+				"maximum": 255
+			},
+			"minItems": 3,
+			"maxItems": 3,
+			"propertyOrder" : 7
+		}
+	},
+	"additionalProperties": false
+}
+