Expand effect engine & ui update (#445)

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* Revert "."

This reverts commit 4dd6404b32.

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* remove svg and pic

* colorpicker imgs to base64 to prevent delayed load if not cached

* fix json2python func

* update swirl with rgba

* add double swirl, tune default val in schema, update explanation

* adjust swirl.py

* FileObserver for config checks with timer as fallback (#4)

effects/schema/trails.schema.json

@@ -1,40 +1,40 @@
 {
 	"type":"object",
 	"script" : "trails.py",
-	"title":"edt_eff_trails_header_title",
+	"title":"edt_eff_trails_header",
 	"required":true,
 	"properties":{
 		"min_len": {
 			"type": "integer",
-			"title":"edt_eff_min_len_title",
+			"title":"edt_eff_min_len",
 			"default": 2,
 			"minimum" : 1,
 			"propertyOrder" : 1
 		},
 		"max_len": {
 			"type": "integer",
-			"title":"edt_eff_max_len_title",
+			"title":"edt_eff_max_len",
 			"default": 7,
 			"minimum" : 1,
 			"propertyOrder" : 2
 		},
 		"height": {
 			"type": "integer",
-			"title":"edt_eff_height_title",
+			"title":"edt_eff_height",
 			"default": 8,
 			"minimum" : 1,
 			"propertyOrder" : 3
 		},
 		"trails": {
 			"type": "integer",
-			"title":"edt_eff_count_title",
+			"title":"edt_eff_count",
 			"default": 3,
 			"minimum" : 1,
 			"propertyOrder" : 4
 		},
 		"speed": {
 			"type": "integer",
-			"title":"edt_eff_speed_title",
+			"title":"edt_eff_speed",
 			"default": 100,
 			"minimum" : 10,
 			"append" : "edt_append_ms",
@@ -42,13 +42,13 @@
 		},
 		"random": {
 			"type": "boolean",
-			"title":"edt_eff_colorrandom_title",
+			"title":"edt_eff_colorrandom",
 			"default": false,
 			"propertyOrder" : 6
 		},
 		"color": {
 			"type": "array",
-			"title":"edt_eff_color_title",
+			"title":"edt_eff_color",
 			"format":"colorpicker",
 			"default": [255,0,0],
 			"items" : {