ISIS-1335: updates maven-core from 3.0.5 to 3.3.9
ISIS-1335: updates maven-core from 3.0.5 to 3.3.9

        <dependency>
            <groupId>org.apache.maven</groupId>
            <artifactId>maven-plugin-api</artifactId>
            <version>${maven-core.version}</version>
        </dependency>

        <dependency>
            <groupId>org.apache.maven</groupId>
            <artifactId>maven-core</artifactId>
            <version>${maven-core.version}</version>
            <exclusions>
                <exclusion>
                    <groupId>org.codehaus.plexus</groupId>
                    <artifactId>plexus-utils</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <dependency>
            <groupId>org.apache.maven</groupId>
            <artifactId>maven-model</artifactId>
            <version>${maven-core.version}</version>
            <exclusions>
                <exclusion>
                    <groupId>org.codehaus.plexus</groupId>
                    <artifactId>plexus-utils</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <dependency>
            <groupId>org.apache.maven</groupId>
            <artifactId>maven-model-builder</artifactId>
            <version>${maven-core.version}</version>
            <exclusions>
                <exclusion>
                    <groupId>org.codehaus.plexus</groupId>
                    <artifactId>plexus-utils</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <dependency>
            <groupId>org.apache.maven</groupId>
            <artifactId>maven-settings</artifactId>
            <version>${maven-core.version}</version>
            <exclusions>
                <exclusion>
                    <groupId>org.codehaus.plexus</groupId>
                    <artifactId>plexus-utils</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <dependency>
            <groupId>org.apache.maven</groupId>
            <artifactId>maven-artifact</artifactId>
            <version>${maven-core.version}</version>
            <exclusions>
                <exclusion>
                    <groupId>org.codehaus.plexus</groupId>
                    <artifactId>plexus-utils</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

estatio/isis,sanderginn/isis,estatio/isis,apache/isis,incodehq/isis,sanderginn/isis,sanderginn/isis,oscarbou/isis,incodehq/isis,apache/isis,apache/isis,niv0/isis,incodehq/isis,estatio/isis,apache/isis,incodehq/isis,apache/isis,sanderginn/isis,niv0/isis,apache/isis,niv0/isis,oscarbou/isis,estatio/isis,niv0/isis,oscarbou/isis,oscarbou/isis