Merge branch 'master' of https://github.com/AHeise/sopremo-cleansing

Conflicts:
	src/main/java/eu/stratosphere/sopremo/cleansing/mapping/EntityMapping.java
	src/main/java/eu/stratosphere/sopremo/cleansing/mapping/SpicyMappingTransformation.java
Merge branch 'master' of https://github.com/fatschi/sopremo-cleansing
added object creation to special expressions usable in entitiy mapping
Merge branch 'master' of https://github.com/fatschi/sopremo-cleansing
Merge branch 'master' of https://github.com/AHeise/sopremo-cleansing
changes for govwild use case (ee, rl)
Merge branch 'master' of https://github.com/fatschi/sopremo-cleansing
Merge branch 'master' of https://github.com/AHeise/sopremo-cleansing
Merge branch 'master' of https://github.com/Tommy-Neubert/sopremo-cleansing
added support for constant expressions
changed take all semantics from [.bar] to all(.bar) and implemented support for ArrayCreation instead
added support for multiple source joins
Merge branch 'master' of https://github.com/AHeise/sopremo-cleansing
Merge branch 'master' of https://github.com/AHeise/sopremo-cleansing
adapted script IT script paths
Merge pull request #21 from fatschi/master

some cleansing changes