Restore and update br translation file

Le fichier de traduction br.json avait été tronqué lors du commit e79a0bf6 (probablement une erreur de manipulation pendant le merge). J'en ai profité pour mettre à jour avec les nouvelles trads.

See merge request !152

Update add_comment.php: update sendUpdateNotification parameters order



See merge request !150

Collapse by default optional parameters

To be cherry-picked on `release`.

See merge request !147

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

Correcting comment typo in file header

Fix #190 

See merge request !144

Rework on 1st page of poll creation



See merge request !142

Disabled autocompletion on the datepicker input

Avoid autocompletion of the datepicker input field to occur
(Step to reproduce : Long click on a datepicker input field)

See merge request !141

Feature - better markdown for description

The description of the poll now has full markdown support:
- Use of ParseDown PHP library to parse markdown
- Use of SimpleMDE JS library to have an more confortable editor
- Possibility to switch from rich editor to simple textarea editor
- Possibility to configure default editor in application
- Small refactoring of adminstuds javascript

See merge request !132

Disabled autocompletion on the datepicker input

Avoid autocompletion of the datepicker input field to occur
(Step to reproduce : Long click on a datepicker input field)

See merge request !141

Update, fix and add breton translation to correct branch



See merge request !143

Update, fix and add breton translation to correct branch



See merge request !143

Install framadate in non empty database

Modifications pour l'issue #187.

See merge request !139

Install framadate in non empty database

Modifications pour l'issue #187.

See merge request !139

Documentation/composer instruction

Just adding composer instruction for next dev (2 minutes lost ;) 

See merge request !135