pact4s-tests

Fixed maven issue with joint compilation of Java and Scala files

Conflicts:

	pact4s/pact4s-tests/pom.xml
pact4s-tests

Conflicts:
	pact4s/pact4s-tests/src/main/scala/eu/stratosphere/pact4s/tests/perf/immutable/KMeans.scala
	pact4s/pact4s-tests/src/main/scala/eu/stratosphere/pact4s/tests/perf/immutable/TPCHQuery3.scala
	pact4s/pact4s-tests/src/main/scala/eu/stratosphere/pact4s/tests/perf/immutable/WordCount.scala
	pact4s/pact4s-tests/src/main/scala/eu/stratosphere/pact4s/tests/perf/mutable/KMeans.scala
	pact4s/pact4s-tests/src/main/scala/eu/stratosphere/pact4s/tests/perf/mutable/TPCHQuery3.scala
	pact4s/pact4s-tests/src/main/scala/eu/stratosphere/pact4s/tests/perf/mutable/WordCount.scala
	pact4s/pact4s-tests/src/main/scala/eu/stratosphere/pact4s/tests/perf/plainJava/KMeans.java
	pact4s/pact4s-tests/src/main/scala/eu/stratosphere/pact4s/tests/perf/plainJava/TPCHQuery3.java
	pact4s/pact4s-tests/src/main/scala/eu/stratosphere/pact4s/tests/perf/plainJava/WordCount.java
	pact4s/pact4s-tests/src/main/scala/eu/stratosphere/pact4s/tests/perf/plainScala/KMeans.scala
	pact4s/pact4s-tests/src/main/scala/eu/stratosphere/pact4s/tests/perf/plainScala/TPCHQuery3.scala
	pact4s/pact4s-tests/src/main/scala/eu/stratosphere/pact4s/tests/perf/plainScala/WordCount.scala
pact4s-tests

Added maven config
pact4s-tests

Added new test impls to maven jar config
pact4s-common

Ensuring Pact4sContract.persistConfiguration gets called at the end of the optimizer post pass
pact4s-common

Fixed bug in last commit to GlobalSchemaOptimizer
Merge branch 'pact4s_merge' into pact4s-iter
Post pass includes schema remapping.
PAct4s schema compaction appears to be working.
Fixed classloader issues.