Add qa profile and fix sonar violations

    <!-- For use by Nuxeo internal QA -->
    <profile>
      <id>qa</id>
      <repositories>
        <repository>
          <id>internal-releases</id>
          <url>
            http://mavenin.nuxeo.com/nexus/content/groups/internal-releases
          </url>
          <releases>
            <enabled>true</enabled>
          </releases>
          <snapshots>
            <enabled>false</enabled>
          </snapshots>
        </repository>
        <repository>
          <id>internal-snapshots</id>
          <url>
            http://mavenin.nuxeo.com/nexus/content/groups/internal-snapshots
          </url>
          <releases>
            <enabled>false</enabled>
          </releases>
          <snapshots>
            <enabled>true</enabled>
            <updatePolicy>always</updatePolicy>
          </snapshots>
        </repository>
      </repositories>
      <pluginRepositories>
        <pluginRepository>
          <id>internal-releases</id>
          <url>
            http://mavenin.nuxeo.com/nexus/content/groups/internal-releases
          </url>
          <name>Nuxeo virtual release repository</name>
          <releases>
            <enabled>true</enabled>
          </releases>
          <snapshots>
            <enabled>false</enabled>
          </snapshots>
        </pluginRepository>
        <pluginRepository>
          <id>internal-snapshots</id>
          <url>
            http://mavenin.nuxeo.com/nexus/content/groups/internal-snapshots
          </url>
          <name>Nuxeo virtual snapshot repository</name>
          <releases>
            <enabled>false</enabled>
          </releases>
          <snapshots>
            <updatePolicy>always</updatePolicy>
            <enabled>true</enabled>
          </snapshots>
        </pluginRepository>
      </pluginRepositories>
      <distributionManagement>
        <snapshotRepository>
          <id>daily-snapshots</id>
          <url>
            http://mavenin.nuxeo.com/nexus/content/repositories/daily-snapshots
          </url>
          <uniqueVersion>true</uniqueVersion>
        </snapshotRepository>
      </distributionManagement>
    </profile>