Added integration tests for duplicate detection
Merge branch 'master' of github.com:AHeise/sopremo-cleansing
Added spicy with dependencies to pom
Merge branch 'master' of https://github.com/AHeise/sopremo-cleansing

Conflicts:
	src/main/java/eu/stratosphere/sopremo/cleansing/CleansFunctions.java
deleted unnecessary import