Add aggregated Surefire report configuration

Can be executed by either running just the reporter
after a test run as been done via:
mvn surefire-report:report-only

Or report and test in one go via:
mvn surefire-report:report

A third option is:
mvn site

fixes #113
Adding Groovy build plugin in parent pom.xml to allow for importng projects in Eclipse

Also adding a paragraph to mention that the Groovy tooling for Eclipse should be installed before importing the projects
in the workspace.
Enforcing Weld to scan only those archives which have beans.xml in it. Otherwise any other 3rd party library which is using JSR-330 annotations will cause the deployment in CDI 1.1 environment (Java EE 7) to fail. For example Guava used in AngularJS tests. Related issue: #245