Signed-off-by: Thomas Citharel <tcit@tcit.fr>

Allow to remove date in the poll creation wizard

CF MR !140 

To be cherry-picked in `release`.

See merge request !146

Correcting comment typo in file header

Fix #190 

See merge request !144

(cherry picked from commit 6481de43)

    - Do not send if comment empty
    - Disable submit button while submit is in progress

	- Just found that the "hidden" parameter wasn't...

    - Do not send if comment empty
    - Disable submit button while submit is in progress

	- Just found that the "hidden" parameter wasn't...

    - Replacing "" by ''
    - Use chaining when possible
    - Correct the scrolling on comment correctly set.

	- Permet de ne pas perdre ses votes à l'ajout d'un commentaire.
	- On rafraichit aussi à l'envois du commentaire la liste des commentaires.

Fix #3

(cherry picked from commit 029fcbf4)

There is no reason to limit the caracters that can be used in the name.
Thus, removing the regex.

Fix #97

	- Also added possibility for the poll's maker to edit this hidden results option.