Fix for #1295 - flatten BOM

Signed-off-by: David Matějček <david.matejcek@omnifish.ee>

bom/pom.xml

diff --git a/bom/pom.xml b/bom/pom.xml
index 573c2b6..9603ec8 100644
--- a/bom/pom.xml
+++ b/bom/pom.xml
@@ -152,31 +152,30 @@
                 <artifactId>aopalliance-repackaged</artifactId>
                 <version>${project.version}</version>
             </dependency>
-            <dependency>
-                <groupId>org.ow2.asm</groupId>
-                <artifactId>asm</artifactId>
-                <version>${asm.version}</version>
-            </dependency>
-            <dependency>
-                <groupId>org.ow2.asm</groupId>
-                <artifactId>asm-analysis</artifactId>
-                <version>${asm.version}</version>
-            </dependency>
-            <dependency>
-                <groupId>org.ow2.asm</groupId>
-                <artifactId>asm-commons</artifactId>
-                <version>${asm.version}</version>
-            </dependency>
-            <dependency>
-                <groupId>org.ow2.asm</groupId>
-                <artifactId>asm-tree</artifactId>
-                <version>${asm.version}</version>
-            </dependency>
-            <dependency>
-                <groupId>org.ow2.asm</groupId>
-                <artifactId>asm-util</artifactId>
-                <version>${asm.version}</version>
-            </dependency>
         </dependencies>
     </dependencyManagement>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>flatten-maven-plugin</artifactId>
+                <version>1.8.0</version>
+                <configuration>
+                    <updatePomFile>true</updatePomFile>
+                    <flattenMode>bom</flattenMode>
+                    <flattenedPomFilename>${project.build.directory}/flattened-pom.xml</flattenedPomFilename>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>flatten</id>
+                        <phase>process-resources</phase>
+                        <goals>
+                            <goal>flatten</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
 </project>