Commons update
Commons app-update, rename effect
Graphical renamed to DialogProvider
Graphical interfaces removed
commons.web update
Renaming
Minor change
Commons general update
AppConfiguration renamed to AppConfig
Major update
Backend update and related
Merge branch 'master' into release-0.2.1

Conflicts:
	backend/src/main/java/cz/cuni/xrg/intlib/backend/execution/PipelineWorker.java
	commons-app/src/main/java/cz/cuni/xrg/intlib/commons/app/execution/ExecutionContextImpl.java
	frontend/src/main/java/cz/cuni/xrg/intlib/frontend/gui/components/DebuggingView.java
	frontend/src/main/java/cz/cuni/xrg/intlib/frontend/gui/components/QueryView.java
TODOs
ModuleFacade manifest description support
Persistence definitions for DPUs.
Persistence definition for DataUnitInfo.
Removed unused imports and irrelevant comment.
Hibernate annotations, spring config.file, fix
ModuleFacadeConfiguration rename
commons.app.Module update, config.properties update
Scheduler proposal