Added Tupled Aggregation and expanded queries to 3
Merge branch 'lms' of https://repository.st.informatik.tu-darmstadt.de/git/sae into lms
Added Aggregation Tests
some work on metrics
Merge branch 'lms' of https://repository.st.informatik.tu-darmstadt.de/git/sae into lms
more work on analyses
new recursive example using parsing
extended parser with tests
Fixed Tupled aggregation clause and added tupled aggregation with star
Enabled aggregation 1-5
Added files for SBT build
introduced some demo examples
Merge branch 'lms' of https://repository.st.informatik.tu-darmstadt.de/git/sae into lms

Conflicts:
	idb/syntax-iql/src/main/scala/idb/syntax/iql/planning/ClauseToAlgebra.scala
merged clause to algebra
integrated aggregation syntax
extended a test for manifests
Fixed ClauseToAlgebra
Fixed SBT build without test
Fixed some SBT files
Merge branch 'lms' of https://repository.st.informatik.tu-darmstadt.de/git/sae into lms

Conflicts:
	idb/syntax-iql/src/test/scala/idb/syntax/iql/TestBasicClauses2.scala