Unify jetty version with karaf feature and fuse-karaf-bom

karaf@root()> feature:install -v camel-jetty9
Adding features: camel-jetty9/[2.21.0.fuse-710016,2.21.0.fuse-710016]
Changes to perform:
  Region: root
    Bundles to install:
      mvn:org.apache.aries.spifly/org.apache.aries.spifly.dynamic.bundle/1.0.10
      mvn:org.apache.camel/camel-jetty-common/2.21.0.fuse-710016
      mvn:org.apache.camel/camel-jetty9/2.21.0.fuse-710016
      mvn:org.apache.geronimo.specs/geronimo-jaspic_1.0_spec/1.1
      mvn:org.eclipse.jetty/jetty-client/9.4.10.v20180503
      mvn:org.eclipse.jetty/jetty-continuation/9.4.10.v20180503
      mvn:org.eclipse.jetty/jetty-deploy/9.4.10.v20180503
      mvn:org.eclipse.jetty/jetty-http/9.4.10.v20180503
      mvn:org.eclipse.jetty/jetty-io/9.4.10.v20180503
      mvn:org.eclipse.jetty/jetty-jaas/9.4.10.v20180503
      mvn:org.eclipse.jetty/jetty-jmx/9.4.10.v20180503
      mvn:org.eclipse.jetty/jetty-jndi/9.4.10.v20180503
      mvn:org.eclipse.jetty/jetty-plus/9.4.10.v20180503
      mvn:org.eclipse.jetty/jetty-rewrite/9.4.10.v20180503
      mvn:org.eclipse.jetty/jetty-security/9.4.10.v20180503
      mvn:org.eclipse.jetty/jetty-jaspi/9.4.10.v20180503
      mvn:org.eclipse.jetty/jetty-server/9.4.10.v20180503
      mvn:org.eclipse.jetty/jetty-servlet/9.4.10.v20180503
      mvn:org.eclipse.jetty/jetty-servlets/9.4.10.v20180503
      mvn:org.eclipse.jetty/jetty-util/9.4.10.v20180503
      mvn:org.eclipse.jetty/jetty-util-ajax/9.4.10.v20180503
      mvn:org.eclipse.jetty/jetty-webapp/9.4.10.v20180503
      mvn:org.eclipse.jetty.websocket/websocket-api/9.4.10.v20180503
      mvn:org.eclipse.jetty.websocket/websocket-client/9.4.10.v20180503
      mvn:org.eclipse.jetty.websocket/websocket-common/9.4.10.v20180503
      mvn:org.eclipse.jetty.websocket/javax-websocket-client-impl/9.4.10.v20180503
      mvn:org.eclipse.jetty.websocket/javax-websocket-server-impl/9.4.10.v20180503
      mvn:org.eclipse.jetty.websocket/websocket-server/9.4.10.v20180503
      mvn:org.eclipse.jetty.websocket/websocket-servlet/9.4.10.v20180503
      mvn:org.eclipse.jetty/jetty-xml/9.4.10.v20180503

[INFO] +- org.apache.camel:camel-jetty9:jar:2.21.0.fuse-710016:compile
[INFO] |  +- org.apache.camel:camel-http-common:jar:2.21.0.fuse-710016:compile
[INFO] |  +- org.eclipse.jetty:jetty-server:jar:9.2.21.v20170120:compile
[INFO] |  |  +- org.eclipse.jetty:jetty-http:jar:9.2.21.v20170120:compile
[INFO] |  |  \- org.eclipse.jetty:jetty-io:jar:9.2.21.v20170120:compile
[INFO] |  +- org.eclipse.jetty:jetty-servlet:jar:9.2.21.v20170120:compile
[INFO] |  +- org.eclipse.jetty:jetty-security:jar:9.2.21.v20170120:compile
[INFO] |  +- org.eclipse.jetty:jetty-servlets:jar:9.4.10.v20180503:compile
[INFO] |  |  \- org.eclipse.jetty:jetty-continuation:jar:9.2.21.v20170120:compile
[INFO] |  +- org.eclipse.jetty:jetty-client:jar:9.4.10.v20180503:compile
[INFO] |  +- org.eclipse.jetty:jetty-jmx:jar:9.2.21.v20170120:compile
[INFO] |  +- org.eclipse.jetty:jetty-util:jar:9.2.21.v20170120:compile

<dependency>
	<groupId>org.jboss.redhat-fuse</groupId>
	<artifactId>fuse-karaf-bom</artifactId>
	<version>7.1.0.fuse-710012</version>
	<type>pom</type>
	<scope>import</scope>
</dependency>