Added the possibility to parse the app.id and app.key via system properties. The “old” way of editing the KLTestConstants is still possible and used as default if the system properties are not present
* Adds the possibility to parse the app.id and app.key via system properties for the MLAnnotateEnhancementEngineTest
* Adds debug level logging of the created Enhancements for all unit tests.
* removed a duplicate dependency in the pom.xml file
* added the metatype.properties file with the labels and descriptions of the service configuration parameters
sets the correct Bundle-Vendor and Bundle-DocURL in the bundle metadata.
Improved manifest, fixed some descriptions,
Added license header, changed test appid and key property names.
Added license header.