Update readme.

NEWS.md

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+## 2.0.0 2019-12-04
+ * ERM-638 Use JVM features to manage container memory 
+ * ERM-538 Support health check endpoint (for example /admin/health provided by RMB)
+ * ERM-505 Move test data so it's only active for the diku tenant only
+ * ERM-477 License and agreement APIs are not protected by FOLIO permissions
+   * ERM-478 Add permission definitions and api endpoint config
+ * ERM-464 Agreements | Amendment with the most recent "Start date" takes precedence
+ * ERM-436 Licenses | Provide user friendly error message on name field unique constraint
+ * ERM-430 Display license and license amendment terms on agreement
+ * ERM-419 Duplicate refdata entries in folio builds
+ * ERM-417 /licenses/custprops cannot be sorted via the "sort" query param
+ * ERM-362 Issue with calling install?purge=true option multiple times
+ * ERM-297 File attachment over 10MB causes out of memory errors 
+
 ## 1.11.0 2019-09-11
  * ERM-279 Provide integration tests for license creation covering start date, end date, status, type and end date semantics
    * ERM-369 Integration tests for license tags