Update translations and use new translations infrastructure (#357)

* Align Lithuanian translation with text length restrictions

* Make translation generation script work also with Python 3

* Fix compilation error by introducing "OffString" string to translations

* Update translations

* Update remaining translations

* Add Finnish, Dutch, Portuguese and Ukrainian languages

* Add Swedish language, update build script

* Add Norwegian and Serbian (Latin) translations

* Update translation file, add automatically generated file warning

* PIDSETTINGS support. Thanks Andre Bernet (kilrah)

* Update Hungarian translation. Thanks adrianmihalko.

Translation Editor/translation_pl.json

@@ -11,12 +11,13 @@
 		"SleepingSimpleString": "Zzz!",
 		"SleepingAdvancedString": "Uspienie...",
 		"WarningSimpleString": "HOT!",
-		"WarningAdvancedString": "UWAGA! GORĄCA KOŃCÓWKA!",
+		"WarningAdvancedString": "GORĄCA KOŃCÓWKA!",
 		"SleepingTipAdvancedString": "Tip:",
 		"IdleTipString": "Tip:",
 		"IdleSetString": " Set:",
 		"TipDisconnectedString": "TIP DISCONNECTED",
-		"SolderingAdvancedPowerPrompt": "Power: "
+		"SolderingAdvancedPowerPrompt": "Power: ",
+		"OffString": "Off"
 	},
 	"characters": {
 		"SettingRightChar": "P",
@@ -192,6 +193,30 @@
 				""
 			],
 			"desc": "Speed this text scrolls past at"
+		},
+		"PidSettingsP": {
+			"text": "PIDP",
+			"text2": [
+				"PID",
+				"P"
+			],
+			"desc": "PID P term. Inverse values! This acts as a divisor. So Larger numbers == typically smaller in other systems"
+		},
+		"PidSettingsI": {
+			"text": "PIDI",
+			"text2": [
+				"PID",
+				"I"
+			],
+			"desc": "PID I term. Inverse values! This acts as a divisor. So Larger numbers == typically smaller in other systems"
+		},
+		"PidSettingsD": {
+			"text": "PIDD",
+			"text2": [
+				"PID",
+				"D"
+			],
+			"desc": "PID D term. Inverse values! This acts as a divisor. So Larger numbers == typically smaller in other systems"
 		}
 	},
 	"languageLocalName": "Polski"