Make fields final if possible to ensure immutability

src/main/java/appeng/core/localization/ButtonToolTips.java

@@ -38,7 +38,7 @@ public enum ButtonToolTips
 
 	Craft, Mod, DoesntDespawn, EmitterMode, CraftViaRedstone, EmitWhenCrafting, ReportInaccessibleItems, ReportInaccessibleItemsYes, ReportInaccessibleItemsNo;
 
-	String root;
+	final String root;
 
 	ButtonToolTips() {
 		root = "gui.tooltips.appliedenergistics2";

src/main/java/appeng/core/localization/GuiText.java

@@ -52,7 +52,7 @@ public enum GuiText
 	
 	Included, Excluded, Partitioned, Precise, Fuzzy;
 
-	String root;
+	final String root;
 
 	GuiText() {
 		root = "gui.appliedenergistics2";

src/main/java/appeng/core/localization/WailaText.java

@@ -11,7 +11,7 @@ public enum WailaText
 
 	Contains, Channels;
 
-	String root;
+	final String root;
 
 	WailaText() {
 		root = "waila.appliedenergistics2";