Reverse 'Package com.archimatetool.editor as a jar rather than dir'

* Deploying as a jar adds overhead as the assets are extracted to the config folder each launch, including the splash screen

About box reads license text from bundle not file location

* Beacause we now package com.archimatetool.editor in a jar

[Help] Update help section for HTML Report

Update Help documention and screenshots for 4.9.0

Support URLTransfer type for DND image files onto Canvas

* This does not fix the Linux problem in #701 of DnD from an online URL from the embedded browser because Linux uses FileTransfer for DnD in the embedded browser

* But I added URLTransfer which adds these features:
* DND from an external browser with local and online URL now works for Linux and Mac
* DND from the embedded browser with local and online URL now works for Mac

Set graphics anti-alias on when drawing preview figures

* This smooths out the rounded rectangle corners

[Mac] image export preference set to 2x as default

* Since Eclipse 4.12 Mac images are rendered at hi-res
* See #651

[Model Importer] Show messages for objects that are not updated

Merge branch 'archimate3.1'

Bump to version 4.5.1