fixed json serialization of null values, fixed bug in output cardinality declaration
unified classpaths in startup-scripts by replacing individual cp's with  from nephele-config.sh
removed unused dependency, fixed integration testt to work without maven-embedder
added FIXME comment to hack in MavenUtil
fixed warnings in sopremo-common
Merge branch 'master' of https://github.com/AHeise/ozone-meteor
Fixed class loader precedence to allow loading classes that depend on embedded jars
Merge branch 'master' of https://github.com/AHeise/ozone-meteor
fixed bug in FunctionNode and SopremoRecordComparator
restored mvn verify for travis
Merge pull request #14 from fatschi/master

NullNode serialization and CP unification
Merge pull request #21 from mleich/enableMvnVerify

restored mvn verify for travis