[Hawkular-dev] Agent installer

[John Mazzitelli]

> - the instruction for command line doesn't include the right version, it
> says: $ java -jar hawkular-wildfly-agent-installer-0.13.1.Final.jar while
> the cirrect version is 0.15.1 I think

That's why typically in my instructions, I always use a wildcard:

  java -jar hawkular-wildfly-agent-installer-*.jar

For example: http://www.hawkular.org/docs/user/quick-start.html#_step_2_install_a_hawkular_wildfly_agent