updated documentation
#77 enhance documentation about jQA concepts
#77 added note on inheritance relations between interfaces
Fixed NPE in XMLReportWriter
fixed RETURN statement of concept id="osgi-bundle:Bundle"
Merge pull request #100 from sebplorenz/NPE_XmlReportWriter

Npe xml report writer
#77 Documentation enhancement on concepts and constraints
upgraded to Neo4j 2.0.4
Merge remote-tracking branch 'origin/master'
#102 start refactoring of CLI
Update README.md
Rename JqAssistantTask.java to JQAssistantTask.java
#102 prepare ci distribution
Update README.md