[MNG-2916] Default message and profile help messages

**[Mark Proctor](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=mdproctor)** opened **[MNG-2916](https://issues.apache.org/jira/browse/MNG-2916?redirect=false)** and commented

It would be good to have a pom default message that is displayed when no goals are given. Further to that we should be able to annotate profiles to provide help information. Ideally the default message will also include the list of profiles that can be queried with the help command.

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**Issue Links:**
- [MNG-3789](https://issues.apache.org/jira/browse/MNG-3789) Add "description" element to profile definition
(_**"is duplicated by"**_)

**Remote Links:**
- [Page
](https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=65875544)

7 votes, 7 watchers