Renamed calls to Dotconf API as Confiture
Replaced XML-format parser by home-made XML-like one

This allow to be more flexible regarding the validity of the formatted
text. The new format looks like XML but is not compatible and much simpler
than XML.
Better english
Now show quality on output of find-duplicates
Fixed edit command which was not able to edit anything
Now cleanup empty directories on link (ref: #23)
Whitespaces