Support images in LSP that are located outside of bundles

[a-sr]

Currently, the Klighd LSP only supports KImages that refer to images in a bundle, hence the LS jar. This should be extended to support any URI in order to enable images defined by the modeller, e.g. on the file system.

KLighD/plugins/de.cau.cs.kieler.klighd.lsp/src/de/cau/cs/kieler/klighd/lsp/model/DiagramMessageData.xtend

Lines 44 to 54 in 013d668

	@Data
	class ImageData {
	/**
	* Name of the bundle where the image can be found. Note that the imagePath is relative to this bundle.
	*/
	String bundleName
	/**
	* The path to the image on the filesystem relative to the bundleName (and its according position).
	*/
	String imagePath