2553 pipeline cleaner in progress
Merge branch 'develop' into feature/pipelinecleaner

Conflicts:
	commons-app/src/main/java/cz/cuni/mff/xrg/odcs/commons/app/dataunit/filelist/localfs/LocalFSFileListDataUnit.java
BUgfix pipelinecleaner
Merge branch 'feature/pipelinecleaner' into develop