changed slugifier into service
changed slugifier into service

added slugifier service to fixtures

add slugifier service to NodeBundle

updated slugifier tests

inject slugifier into utilitiesTwigExtension

twigExtension now works with the slugifier service

removed @covers in slugifierTest

implemented slugifierInterface

MrAPPs-RSM/KunstmaanAdminBundle,MrAPPs-RSM/KunstmaanAdminBundle,MrAPPs-RSM/KunstmaanAdminBundle,MrAPPs-RSM/KunstmaanAdminBundle