Merge pull request #594 from tuub/DS-2093

DS-2093: Remove dependency of dspace-api on backport-util-concurrent.

LICENSES_THIRD_PARTY

@@ -118,7 +118,6 @@ New BSD License (http://opensource.org/licenses/bsd-license.php)
   
 Other Open Source Licenses:
   * AOP Alliance (aopalliance:*) - Public Domain: http://aopalliance.sourceforge.net/
-  * backport-util-concurrent (backport-util-concurrent:*) - Public Domain: http://creativecommons.org/licenses/publicdomain
   * coverity-escapers (com.coverity.security:*) - Modified BSD
   * Handle API (org.dspace:handle) - Handle Public License Agreement: http://www.handle.net/HSj/hdlnet-2-LICENSE.pdf
   * ICU4J (com.ibm.icu:icu4j) - ICU License : http://source.icu-project.org/repos/icu/icu/trunk/license.html

dspace-api/pom.xml

@@ -526,12 +526,6 @@
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
         </dependency>
-		
-        <dependency>
-            <groupId>backport-util-concurrent</groupId>
-            <artifactId>backport-util-concurrent</artifactId>
-            <version>3.1</version>
-        </dependency>
     </dependencies>
 
 </project>