workround m2e indexer hickup, build local openhab index (#584)

Signed-off-by: Markus Rathgeb <maggu2810@gmail.com>

bom/openhab-core-index/pom.xml

@@ -34,6 +34,24 @@
       <plugin>
         <groupId>biz.aQute.bnd</groupId>
         <artifactId>bnd-indexer-maven-plugin</artifactId>
+        <executions>
+          <execution>
+            <id>simple-local-index</id>
+            <goals>
+              <goal>local-index</goal>
+            </goals>
+            <phase>process-resources</phase>
+            <configuration>
+              <inputDir>${project.basedir}/../../bundles</inputDir>
+              <outputFile>${project.build.directory}/local-index.xml</outputFile>
+              <indexFiles>
+                <include>*/target/*.jar</include>
+                <exclude>*/target/*-javadoc.jar</exclude>
+                <exclude>*/target/*-sources.jar</exclude>
+              </indexFiles>
+            </configuration>
+          </execution>
+        </executions>
       </plugin>
     </plugins>
   </build>