DF Refactored basic production counting.
DF Refactored material requirements.
DF Removed internal pacage from material requirements.
DF Refactored production counting.
DF Removed internal package from production counting.
DF Refactored production counting with costs.
DF Removed internal package from production counting.
DF Some fixes in pointcuts.
DF Removed duplicated licence.
Merge branch 'dev' of github.com:qcadoo/mes into dev
Merge branch 'dev' of github.com:qcadoo/mes into dev

Conflicts:
	mes-plugins/mes-plugins-production-counting/src/main/java/com/qcadoo/mes/productionCounting/internal/ProductionRecordService.java
	mes-plugins/mes-plugins-production-counting/src/test/java/com/qcadoo/mes/productionCounting/internal/ProductionRecordServiceTest.java
DF Fixed problem with samples.