Fixes #4741: Rework Crafting CPU cycling and extract commonalities into a separate class. (#4742)

Also Fixes:
- Enter key confirms the "Confirm Crafting" dialog again
- Right Mouse Button correctly cycles backwards through CPUs, while left mouse button forward
- Fixes an internal problem with syncing CPU names
- Naming of unnamed CPUs begins at #1 now

src/main/java/appeng/container/implementations/CraftingCPUCyclingContainer.java

@@ -0,0 +1,12 @@
+package appeng.container.implementations;
+
+/**
+ * Implemented on screens that show information about a crafting CPU and allow
+ * the CPU to be cycled. Is triggered by receiving a config value packet with
+ * name <code>Terminal.Cpu</code>.
+ */
+public interface CraftingCPUCyclingContainer {
+
+    void cycleSelectedCPU(boolean forward);
+
+}