bugfix: advanced search
bugfix: advanced search

- dates has to handle two format : the user's current and the system storage yyy-mm-dd. the system is now only handled on load ans=d converted to the user's one.
- if the date is not parsable, the fallback is now the current date.
- removal of a no more needed date setter (leaved in the comments since it may be nescessary to re-add this if the UI changes again and if the less panel has to display the dates without time 
- factorisatoin of the date/time formating into a function

git-svn-id: 8a2b0a969c74f87a9c14cf35f460fb9b394f82c6@5720 a333f486-631f-4898-b8df-5754b55c2be0

changi67/itop,changi67/itop,changi67/itop,changi67/itop