jsonalchemy: cache engine addition

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
utils: slugify text function addition

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
ext: session safe quickfix
filemanager: initial port to new structure

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
visualizations: initial port to new code structure

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>