* fixed broken registry reload
* fixed incorect handling of the "invalid" flag when reloading the registry should fix that
* fixed unreliable generate_propGroup_name : now uses tiger-hash to generate hashes of nested paths + long names
this ensures that even if there are additions & removals to the registry, it does not break existing components !
* fixed & overhauled list & map components ui handling for objects + collections/blueprints
* merged the various list component ui operators into a single one
* removed obsolete code in registry & components
* improved handling of invalid components in the UI: now they are not displayed ! much cleaner & simpler
* overall cleanup to components
* lots of minor tweaks & co