fixed bug in maven integration test excecution, moved some util classes from sopremo-common to sopremo-testplan

deleted files, forgot by last commit
refactored hack to makeintegration tests running with surefire
Refactored Sopremo building blocks to increase type safety
Please change usages of JsonCollector to JsonCollector<IJsonNode> to get rid of compilation errors and warnings
added hashCode() and equals() to several classes to make CloneVerifyTest of EvaluationContext passing
Set version to 0.3-snapshot, renamed sopremo-testutil to stratosphere-testutil
Added multi output support to meteor
Merge branch 'master' of https://github.com/dimalabs/ozone-meteor

Conflicts:
	sopremo/sopremo-query/src/main/java/eu/stratosphere/sopremo/query/AbstractQueryParser.java
Changed to snapshot version; added maven repository for deployment
Merge pull request #11 from fatschi/master

Meteor Integration Tests and EvaluationContext Tests
Merge branch 'master' of github.com:dimalabs/ozone-meteor
Added automatic deployment to sonatype repo with travis
Split replace operator into two; cleaned up meteor parser