removed unnecessary namespace declaration
adding opencalais query

doesn’t work yet as my key has been deactivated (after two years …);
also added a settings sample file (real one “hidden” by .gitignore)
logging more information

about the success of the operation
also reinventing more properly
a quick'n'dirty list of items

no sorting (date isn’t parsed yet).
started porting normalize-dates.xsl

to xquery (not very pretty … and not complete)
clean up

- moved normalize-date.xqm to lib/ directory
- now adding normalized-date on insert of item
- all existing 42 items have been upgraded to this as well using the
tasks/normalize-dates.xqy (but this won’t be needed anymore; still not
deleting it right now)