Renamed "Camera Tilt" to "Camera Roll" (new naming convention!)

Changed Camera Roll to use Degree Values
Started adding Timeline Position Editing to GuiEditKeyframe

src/main/java/eu/crushedpixel/replaymod/replay/ReplayProcess.java

@@ -333,7 +333,7 @@ public class ReplayProcess {
             }
         }
 
-        ReplayHandler.setCameraTilt(pos.getRotation());
+        ReplayHandler.setCameraTilt(pos.getRoll());
 
         Integer curTimestamp = null;
         if(timeLinear != null && timeCount > 1) {