Made handler tab names customizable

Allow Recipe Handlers to have a different tab name than what's displayed on top of the UI.

src/main/java/codechicken/nei/recipe/GuiRecipeTab.java

@@ -130,7 +130,7 @@ public abstract class GuiRecipeTab extends Widget {
     }
 
     public void addTooltips(List<String> tooltip) {
-        tooltip.add(handler.getRecipeName().trim());
+        tooltip.add(handler.getRecipeTabName().trim());
         
         String handlerMod = getHandlerMod(handlerName, handlerID);
         tooltip.add(EnumChatFormatting.BLUE + handlerMod);

src/main/java/codechicken/nei/recipe/IRecipeHandler.java

@@ -29,7 +29,17 @@ public interface IRecipeHandler
      * @return The name of this inventory. 
      * To be displayed at the top of the viewing container.
      */
-    public String getRecipeName();
+
+    /**
+     * For legacy compatibility reasons, this method's default implementation returns the recipe name. This is also the expected behavior
+     *
+     * @return The name of this inventory.
+     * To be displayed in the tooltip in the tab at the top of the viewing container.
+     */
+    default String getRecipeTabName() {
+        return getRecipeName();
+    }
+
     /**
      * 
      * @return The number of recipes that this handler contains.