Hyperion Switcher + cleanup (#423)

* upd

* update

* update

* update schemachecker

* ...

* fix lowest priority

* zeroconf updates (#421) (#3)

* zeroconf:
add ip
make names more uniq

* tune dns name for webconfig

* update

* update

* update

* update ui

* ...

* min val for gamma

* lost somewhere this

* add status to hyperion object

* update ui

libsrc/jsonserver/schema/schema-adjustment.json

@@ -109,19 +109,19 @@
 				"gammaRed": {
 					"type" : "number",
 					"required" : false,
-					"minimum" : 0.0,
+					"minimum" : 0.1,
 					"maximum" : 100.0
 				},
 				"gammaGreen": {
 					"type" : "number",
 					"required" : false,
-					"minimum" : 0.0,
+					"minimum" : 0.1,
 					"maximum" : 100.0
 				},
 				"gammaBlue": {
 					"type" : "number",
 					"required" : false,
-					"minimum" : 0.0,
+					"minimum" : 0.1,
 					"maximum" : 100.0
 				},
 				"backlightThreshold" : {

libsrc/jsonserver/schema/schema-color.json

@@ -13,7 +13,7 @@
 		"priority": {
 			"type": "integer",
 			"minimum" : 1,
-			"maximum" : 253,
+			"maximum" : 254,
 			"required": true
 		},
 		"duration": {
@@ -22,6 +22,8 @@
 		},
 		"origin": {
 			"type": "string",
+			"minLength" : 4,
+			"maxLength" : 20,
 			"required": true
 		},
 		"color": {

libsrc/jsonserver/schema/schema-effect.json

@@ -13,7 +13,7 @@
 		"priority": {
 			"type": "integer",
 			"minimum" : 1,
-			"maximum" : 253,
+			"maximum" : 254,
 			"required": true
 		},
 		"duration": {
@@ -22,6 +22,8 @@
 		},
 		"origin": {
 			"type": "string",
+			"minLength" : 4,
+			"maxLength" : 20,
 			"required": true
 		},
 		"effect": {