Release Notes Abra

Version 3.7.5
Improvement
* [ABRA-603] - Update xstream 1.4.15 to 1.4.16 (latest) due to CVE
* [ABRA-602] - Update apache fop 2.5 to 2.6 (latest) due to CVE

Bug
* [ABRA-604] - EBA 3.0 taxonomy: assertion severity arc's from resource linked via locator