fix(favgroup): fix variable name
fix(favgroup): favgroups return without embeded apps
feat(favgroup): make delete and create function correctly set position of other favgroups
fix(favgroup): move up/down action not correctly reset for the still displayed favgroups after a favgroup deletion
fix(favgroup): favgroup title no more editable after a move up/down is done
feat(catalog): order category by title
feat(ugApp, catalog): add text highlight
feat(favgroup): hide default favgroup when there is no apps associated
less(favgroup): change margin
less(appview): add modal appview (displayed on the catalog page)