Tweaking POM

No need to run tests twice. Better to let Gradle run it as it's the one
maintained by the upstream.

sqljet appears to be no longer optional, given that subversion-plugin
unit test fails without this.

Set the release repository

pom.xml

@@ -13,7 +13,14 @@
   </licenses>
   <distributionManagement>
     <downloadUrl>http://svnkit.com/download/index.php</downloadUrl>
+    <repository>
+      <id>maven.jenkins-ci.org</id>
+      <url>http://maven.jenkins-ci.org:8081/content/repositories/releases/</url>
+    </repository>
   </distributionManagement>
+  <properties>
+    <skipTests>true</skipTests><!-- run by Gradle -->
+  </properties>
   <build>
     <sourceDirectory>svnkit/src/main/java</sourceDirectory>
     <testSourceDirectory>svnkit/src/test/java</testSourceDirectory>
@@ -67,7 +74,6 @@
       <groupId>org.tmatesoft.sqljet</groupId>
       <artifactId>sqljet</artifactId>
       <version>1.1.0</version>
-      <optional>true</optional>
     </dependency>
     <dependency>
       <groupId>de.regnis.q.sequence</groupId>