Improved JaCoCo configuration

Declared JaCoCo Maven plugin under dependencyManagement to avoid
conflicting versions.

Change-Id: I11f3b575d6b3b34733e8f4379b9ba6b4bf4ba39b
Issue-ID: SDC-1596
Signed-off-by: vempo <vitaliy.emporopulo@amdocs.com>
diff --git a/openecomp-be/pom.xml b/openecomp-be/pom.xml
index e93576a..b603499 100644
--- a/openecomp-be/pom.xml
+++ b/openecomp-be/pom.xml
@@ -255,9 +255,9 @@
             <plugin>
                 <groupId>org.jacoco</groupId>
                 <artifactId>jacoco-maven-plugin</artifactId>
-                <version>${jacoco.version}</version>
                 <executions>
                     <execution>
+                        <id>default-prepare-agent</id>
                         <goals>
                             <goal>prepare-agent</goal>
                         </goals>