Additional options for test execution.

* Ability to specify test classes to be executed (-Dtest property)
* Build is not failing when specify test is not found (valid for multi-module builds)
Merge pull request #46 from bartoszmajsak/patch-1

Additional options for test execution.
Added Google Appengine plugin support
removed deprecated Nexus plugin
fix #48, jboss-as is a bit weird because there is a '-' in plugin prefix
added nexus-staging-maven-plugin
Have -pl only complete maven projects
enrich -D options
Merge pull request #50 from Kidlike/master

enrich -D options
Added vert.x maven plugin support
Merge pull request #51 from fboulay/master

Added vert.x maven plugin support
Fixed goals for vert.x maven plugin
Merge pull request #52 from fboulay/master

Fixed goals for vert.x maven plugin
Make project completion work on OSX
Merge pull request #49 from caspark/master

Have -pl only complete maven projects
Added jacoco maven plugin
Merge pull request #53 from dmalch/master

Added jacoco maven plugin
added gwt:run-codeserver goal
Fix typo for vertx maven plugin
Merge pull request #55 from fboulay/master

Fix typo for vertx maven plugin