Reworked ReplayProcess to get rid of own Interpolation instances (as these can be handled by the KeyframeLists)

Camera Paths are now started from the current cursor position, using Ctrl-click the path always starts from the beginning

src/main/java/eu/crushedpixel/replaymod/gui/overlay/GuiReplayOverlay.java

@@ -119,7 +119,7 @@ public class GuiReplayOverlay extends Gui {
         private final GuiElement buttonPlay = texturedButton(BUTTON_PLAY_PATH_X, BOTTOM_ROW, 0, 0, 20, new Runnable() {
             @Override
             public void run() {
-                ReplayHandler.startPath(null);
+                ReplayHandler.startPath(null, GuiScreen.isCtrlKeyDown());
 
             }
         }, "replaymod.gui.ingame.menu.playpath");