* src/extract_text_double_link.cc: Improve usage output and add new
	parameters to be passed as arguments.

	* src/recognition.cc: Add a new program argument.

	* text/clean.hh: Disable cleaning for now.

	* text/recognition.hh: may store the recognized text into a file.

git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@4233 4aad255d-cdde-0310-9447-f3009e2ae8c0