Fixed serialization of calculated key expressions
Added support for secondary sort in Sopremo (pact currently does not support it) and Sort operator
Added a prelimary version of the sort operator; due to the lack of secondary sort in ozone, this implementation is single-threaded and thus ineffecient
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
fixed poms and incompatiple API
- changed version to 0.4-ozone-SNAPSHOT
- fixed erroneous calls to UserCodeWrapper#getUserCodeObject()
removed unnecessary changes
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
switched version to 0.4-SNAPSHOT
Merge pull request #15 from mleich/0.4-ozone-compatibility

0.4-SNAPSHOT compatibility
fixed bug in FunctionNode and SopremoRecordComparator
update encrypted sonatype credentials for this repo
Remove JDK1.6 support

* fix readme file
* remove support fir jdk1.6
* use mvn clean package for the build
Merge pull request #20 from TU-Berlin/jdk16

Remove JDK1.6 support