Merge pull request #177 from radcortez/master

Added test for chunk-mapper project.
Adding Spock support for some consistency #147
Servlet Filter test #84
Standard junit test - exatly the same as Spock Specification
Configuring junit and Spock in same project - separate executions in same phase #147
README information for spock tests
Arquillian containers (junit / spock) exclusion on different surefire executions)
Merge pull request #178 from kubamarchwicki/spock

Adding Spock testing framework with sample test
Added test for chunk-optional-processor project.
Added test for chunk-optional-processor project.
Added test for chunk-partition project.