[Edward, Andrei] Merge branch 'S33_WsCallFix_WsCallStep' into S33_WsCallFix
added web service facade

Conflicts:
	taxcalculator/taxcalculator-application/src/main/java/be/cegeka/batchers/taxcalculator/application/domain/TaxServiceCallResult.java
	taxcalculator/taxcalculator-application/src/main/java/be/cegeka/batchers/taxcalculator/application/domain/TaxServiceCallResultRepository.java
	taxcalculator/taxcalculator-batch/src/main/java/be/cegeka/batchers/taxcalculator/batch/config/EmployeeJobConfig.java
	taxcalculator/taxcalculator-batch/src/main/java/be/cegeka/batchers/taxcalculator/batch/config/ItemReaderWriterConfig.java
	taxcalculator/taxcalculator-batch/src/main/java/be/cegeka/batchers/taxcalculator/batch/service/reporting/SumOfTaxesItemListener.java
	taxcalculator/taxcalculator-batch/src/main/java/be/cegeka/batchers/taxcalculator/batch/tasklet/JobResultsTasklet.java