[MANTRUN-232] Require Maven 3.2.5 - set proper maven scopes

Author: cstamas

pom.xml

@@ -62,7 +62,7 @@ under the License.
   </distributionManagement>
 
   <properties>
-    <mavenVersion>3.1.1</mavenVersion>
+    <mavenVersion>3.2.5</mavenVersion>
     <javaVersion>8</javaVersion>
     <surefire.version>2.22.2</surefire.version>
     <mavenPluginToolsVersion>3.6.2</mavenPluginToolsVersion>
@@ -74,16 +74,19 @@ under the License.
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-plugin-api</artifactId>
       <version>${mavenVersion}</version>
+      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-core</artifactId>
       <version>${mavenVersion}</version>
+      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-artifact</artifactId>
       <version>${mavenVersion}</version>
+      <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.maven.plugin-tools</groupId>