Merge pull request #4 from Senorihl/master

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Merge pull request #5 from Senorihl/master

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Add manager (show,edit,delete,add)  for promotion and students in promotions.

Add translation file (messages.fr.yml) doesn't work for now.
resolved conflict for merge
Resolve merge + add menu students and promotions
Merge pull request #1 from Senorihl/master

change routing
Resolve merge
Merge pull request #2 from Senorihl/master

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Merge branch 'master' of https://github.com/romaricboufatis/insta-project-php
Merge pull request #3 from Senorihl/master

Correction JS
Merge branch 'master' of https://github.com/romaricboufatis/insta-project-php
Modification des mois en francais
Merge pull request #11 from romaricboufatis/master

Add translation for month in french