handle category tree after drop event

on succesful drop close all category nodes but the branch that it was dropped in
nulling 1970 photographedDate entries
prevent 1970 datetime stamps
Merge branch 'bugfix-1970' into development
Refactoring

MetaImageBundle
added fallback to get image width and height

also added command to run fallback afterwards
Show qurantine border also on detail page

added small js fix to prevent border from being shown before img has been loaded
fixes firefox not firing the load event correctly
fixes qurantined assets being shown in result set for simple search
fixes swapped option mode for hasBranding and hasWarning
bugfix ie9 template

added easy way to see templates