setup.py: PEP8

Signed-off-by: Jerome Flesch <jflesch@gmail.com>
Move the extra-dependencies detection from setup.py to another script

Signed-off-by: Jerome Flesch <jflesch@gmail.com>
paperwork-chkdeps: specify the exact tesseract and aspell package names to install (if possible)

Signed-off-by: Jerome Flesch <jflesch@gmail.com>
Paperwork-chkdeps: Fix description of dictionaries to install

Signed-off-by: Jerome Flesch <jflesch@gmail.com>
paperwork-chkdeps: make the output more fancy

Signed-off-by: Jerome Flesch <jflesch@gmail.com>
paperwork-chkdeps: by default, ask the user if they want to run the install command immediately

Signed-off-by: Jerome Flesch <jflesch@gmail.com>
Merge branch 'stable' into unstable

Conflicts:
	setup.py

Signed-off-by: Jerome Flesch <jflesch@gmail.com>