Merge branch 'update-log4j-versions' into 'master'

Specify dependencyManagement for azure to override log4j libraries

See merge request !157

provider/notification-azure/pom.xml

@@ -68,6 +68,21 @@
         <type>pom</type>
         <scope>import</scope>
       </dependency>
+      <dependency>
+	      <groupId>org.apache.logging.log4j</groupId>
+	      <artifactId>log4j-core</artifactId>
+	      <version>${log4j2.version}</version>
+      </dependency>
+      <dependency>
+	      <groupId>org.apache.logging.log4j</groupId>
+	      <artifactId>log4j-slf4j-impl</artifactId>
+	      <version>${log4j2.version}</version>
+      </dependency>
+      <dependency>
+	      <groupId>org.apache.logging.log4j</groupId>
+	      <artifactId>log4j-jul</artifactId>
+	      <version>${log4j2.version}</version>
+      </dependency>
     </dependencies>
   </dependencyManagement>
 
@@ -239,4 +254,4 @@
       </plugin>
     </plugins>
   </reporting>
-</project>
\ No newline at end of file
+</project>