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/snake.schema.json

@@ -1,12 +1,12 @@
 {
 	"type":"object",
 	"script" : "snake.py",
-	"title":"edt_eff_snake_header_title",
+	"title":"edt_eff_snake_header",
 	"required":true,
 	"properties":{
 		"color": {
 			"type": "array",
-			"title":"edt_eff_color_title",
+			"title":"edt_eff_color",
 			"format":"colorpicker",
 			"default": [255,0,0],
 			"items" : {
@@ -20,7 +20,7 @@
 		},
 		"rotation-time": {
 			"type": "number",
-			"title":"edt_eff_rotationtime_title",
+			"title":"edt_eff_rotationtime",
 			"default": 12.0,
 			"minimum" : 0.1,
 			"append" : "edt_append_s",
@@ -28,7 +28,7 @@
 		},
 		"percentage": {
 			"type": "integer",
-			"title":"edt_eff_length_title",
+			"title":"edt_eff_length",
 			"default": 10,
 			"append" : "edt_append_percent",
 			"propertyOrder" : 3