Squashed commits:
[74a16a9] Created EntityPositionTracker, which parses the whole Replay when initially loading it and remembers every Entity's Position at any timestamp.
The EntityPositionTracker can be disabled using a Replay Setting.
This is used by the GuiMarkerTimeline to ensure that jumping to Marker Keyframes actually results in the Marker Keyframe's Position.
The actual code handling Position jumping after Time jumping was moved to the ReplayHandler and is now also called when jumping using the "Please wait" Screen.
Created InterpolationUtils class with a method to fix the Euler Rotation Break problem
Create AdvancedPositionSplineInterpolation and AdvancedPositionLinearInterpolation which always use the shortest possible paths between the Euler Rotation values of the Camera's Yaw and Roll
Remove Position Keyframe filtering when adding the Keyframe. This is now done by the AdvancedPositionInterpolation classes
Made GuiArrowButton a subclass of GuiAdvancedButton
Added consistency to ReplayHandler by renaming getMarkers() to getMarkerKeyframes() and removing redundant methods which can be accessed via KeyframeList class
CustomObjectRepository is now being saved to and loaded from the ReplayFile
The CustomObjectRenderer uses the GuiObjectManager's timeline cursor position as interpolation timestamp for the CustomImageObjects which are drawn if a GuiObjectManager is open (instant preview)
KeyframeList's add() method now removes Keyframes with the same timestamp before adding the new Keyframe
Transformations class now holds default values to prevent NullPointerExceptions in methods calling getTransformationForTimestamp()
Added Javadoc to Transformation POJO
Created NumberValueChangeListener which can be applied to GuiNumberInput objects
Made step size customizable in GuiDraggingNumberInput
Changing a ReplayImageAssets image now notifies the CustomImageObjects linked to that asset
Modified RoundUtils to provide a round() method which uses the DecimalFormat class instead of Math.round which is unstable
Made GuiDropdown only accept instances of GuiEntryListEntry to avoid unneccessary toString() methods returning the name
Added GuiEntryListValueEntry which holds a Value and a Name to be displayed
Continued work on GuiObjectManager
Replaced Keyframe subclasses with Generic Types of Keyframe and replaced all instanceof calls
Replaced implementations of Linear and Spline interpolation to interpolate any Object that extends KeyframeValue and contains at least one public double Field. I'll need this for Keyframe interpolation in CustomImageObject Transformations
Made MarkerKeyframe *no* subclass of Keyframe to avoid conflicts with PositionKeyframe in instanceof checks for Keyframe#getValue
Created KeyframeList which extends ArrayList to provide some helping functions which DRY up the ReplayHandler
Split up ReplayHandler's keyframeList into timeKeyframeList and positionKeyframeList
Created GuiReplayManager to allow users to manage their assets.
Created BoundingUtils class to provide a simple method to fit an image into given bounds. This implementation fixes https://trello.com/c/WTnicWkJ/
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
