fix/refactor backlight stuff (#394)

* fix/refactor backlight stuff:
- fix colors dont turn of when backlight 0 and black is set
- add option to use not colored backlight
- fix colored backlight not colored on very low color values
- various code style tunings

* apply needed change to wizard

* backlight disabled on static color and efects

* fix warnings

* try fix udp compiler warnings

libsrc/hyperion/schemas/hyperion.schema-2.json

@@ -271,10 +271,10 @@
 								"maxItems" : 3,
 								"propertyOrder" : 10
 							},
-							"brightnessMin" :
+							"backlightThreshold" :
 							{
 								"type" : "number",
-								"title" : "edt_conf_color_brightnessMin_title",
+								"title" : "edt_conf_color_backlightThreshold_title",
 								"required" : true,
 								"minimum" : 0.0,
 								"maximum": 1.0,
@@ -282,6 +282,14 @@
 								"step" : 0.05,
 								"propertyOrder" : 11
 							},
+							"backlightColored" :
+							{
+								"type" : "boolean",
+								"title" : "edt_conf_color_backlightColored_title",
+								"required" : true,
+								"default" : false,
+								"propertyOrder" : 12
+							},
 							"brightness" :
 							{
 								"type" : "number",
@@ -291,7 +299,7 @@
 								"maximum": 1.0,
 								"default" : 1.0,
 								"step" : 0.05,
-								"propertyOrder" : 12
+								"propertyOrder" : 13
 							},
 							"gammaRed" :
 							{
@@ -302,7 +310,7 @@
 								"maximum": 100.0,
 								"default" : 1.0,
 								"step" : 0.1,
-								"propertyOrder" : 13
+								"propertyOrder" : 14
 							},
 							"gammaGreen" :
 							{
@@ -313,7 +321,7 @@
 								"maximum": 100.0,
 								"default" : 1.0,
 								"step" : 0.1,
-								"propertyOrder" : 14
+								"propertyOrder" : 15
 							},
 							"gammaBlue" :
 							{
@@ -324,7 +332,7 @@
 								"maximum": 100.0,
 								"default" : 1.0,
 								"step" : 0.1,
-								"propertyOrder" : 15
+								"propertyOrder" : 16
 							}
 						},
 						"additionalProperties" : false