working filters for fast research
refactoring to a directive
fixing jshint errors
irrelevant comment
sorting lists
fix services : use $http instead on $resource (we do not use a REST API) and create usefull function
fix controllers : call the services' method we created
fixing views
Grrrr : fix sass because unable to build
merge a lenvers
fixing views and styles to integrate filters
Merge pull request #5 from Labx/fix_services_and_navigation

chore(merge): add filtering mechanism