Merge branch 'release/1.3' into develop
HTML & CSS: chat page.
HTML & CSS: update chat.
Merge branch 'feature/chat' into develop
CSS & HTML: globals corrections.
HTML & CSS: slider corrections.
HTML & CSS: image header added on pages.
CSS: some cleaning.
Merge branch 'feature/corrections_01' into develop
Merge branch 'gh-pages' of https://github.com/zakxxi/peps_chomdu.fr into gh-pages