Merge branch 'stable-4.5'

* stable-4.5:
  Turn off doclint also during Maven site generation
  Prepare 4.5.1-SNAPSHOT builds
  JGit v4.5.0.201609210915-r
  Unconditionally close repository in unregisterAndCloseRepository

Change-Id: Ibfd11669cd74d2e62b014c18fd39b646b200c8c5
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit/src/org/eclipse/jgit/lib/RepositoryCache.java

@@ -305,11 +305,9 @@ public class RepositoryCache {
 	private void unregisterAndCloseRepository(final Key location,
 			Repository db) {
 		synchronized (lockFor(location)) {
-			if (isExpired(db)) {
 			Repository oldDb = unregisterRepository(location);
 			if (oldDb != null) {
-					oldDb.close();
+				oldDb.doClose();
-				}
 			}
 		}
 	}

pom.xml

@@ -683,6 +683,17 @@
           </plugin>
         </plugins>
       </build>
+      <reporting>
+        <plugins>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-javadoc-plugin</artifactId>
+            <configuration>
+              <additionalparam>-Xdoclint:-missing</additionalparam>
+            </configuration>
+          </plugin>
+        </plugins>
+      </reporting>
     </profile>
     <profile>
       <id>static-checks</id>