Modif cs form add_activity
Merge branch 'master' of https://github.com/Ajirass/tant-libre

Conflicts:
	style/css/style.less
Merge remote-tracking branch 'origin/master'

Conflicts:
	application/controllers/home.php
	application/views/add_activity.php
	application/views/home_logged.php
	style/css/style.css
	style/css/style.less
Merge remote-tracking branch 'origin/master'

Conflicts:
	application/views/add_activity.php
merge all modif