* Updated the text of the gender question.
* Avoided breaking the question text at line break, so that spaces were not added when copy them.
* Fixed the errors of the inverted firstname (given name) and lastname (family name).
* Advanced to version 2.3.
* Added the participants example CSV.
* Added the patch to fix the LaTeX output.
* Fixed the sphinx config so that the images are always at where the text is.
