completion of comments
Configuration in commons changed to interface.
Merge branch 'master' of https://github.com/mff-uk/intlib.git
Graphical interface change.
DPUDialog removed
Frontend update after Configuration changes
Minor change
Modules update after Configuration changed
Move Extract/Transform/Load events to backend.
Move run method from PipelineExectution to PipelineWorker class.
Remove run in Pipeline class.
Synchronize Engine Jobs with PipelineWorker.
TODO - run method is not been in PipelineExecution class yet.
Merge branch 'master' of https://github.com/mff-uk/intlib.git
DPUExecutive Configuration interface changed
Modules update, use new Configuration interface
commons.data.DataUnit add, Context class update
add DPUException as base class for Exceptions thrown by DPUs
Function rename
Base schema and JPA association mappings defined.
Merge branch 'master' of github.com:mff-uk/intlib into virtuoso

Conflicts:
	commons-app/src/main/java/cz/cuni/xrg/intlib/commons/app/pipeline/Pipeline.java
	commons-app/src/main/java/cz/cuni/xrg/intlib/commons/app/pipeline/graph/Node.java