Fix all warnings

Add and make use of Lombok
Remove Mojang API
Remove ZipFileUtils
Remove StreamTools in favor of Apache IOUtils
Keyframe should be abstract all derivatives final
Replace clone in Keyframe with copy
Move some constants from GuiReplaySetttings to GuiConstants

src/main/java/eu/crushedpixel/replaymod/gui/GuiKeyframeRepository.java

@@ -121,6 +121,9 @@ public class GuiKeyframeRepository extends GuiScreen implements GuiReplayOverlay
             saveButton.yPosition = keyframeSetList.yPosition+keyframeSetList.height-20;
         }
 
+        @SuppressWarnings("unchecked")
+        List<GuiButton> buttonList = this.buttonList;
+
         buttonList.add(removeButton);
         buttonList.add(loadButton);
         buttonList.add(saveButton);