Documentation & Review #4

- Clean and remove unnecessary code and information
- Make links in the site descriptor absolute to the project URL relativizeDecorationLinks=false in maven site plugin
- Correct bug location of java header license in checkstyle.xml file
- Add Mockito and PowerMock dependency.
- Add Cobertura coverage reporting
Merge branch 'master' of github.com:devacfr/maven-config

# By Christophe Friederich
# Via Christophe Friederich
* 'master' of github.com:devacfr/maven-config:
  Create sub module checker for mutlimodule projects #6

Conflicts:
	pom.xml
Documentation & Review #4

- Adapt check style and pmd with specific rules