Datamanager - removing unnecessary stuff

Removing old TODO comment, that has already been resolved
Changes in priority computation
Forgot to update result visualization as well
Expected duration bug fix
Entity Caching problem in views

Trying to fix the problem with the old entities in the list
Disabled JPA cache
Metadata Service - timeout removal
Fixing DB initialisation

Turning cacheing off had little side effect
Stored dataset's filename can now be overridden
bug s prazdnejma souborama fixed
Merge branch 'master' of github.com:krajj7/pikater
processing a za nim vypocetni agent