Removes phantomjs extra dep and uses Travis host system version
Removes phantomjs extra dep and uses Travis host system version

benjaoming/kolibri,christianmemije/kolibri,jonboiser/kolibri,MingDai/kolibri,benjaoming/kolibri,mrpau/kolibri,mrpau/kolibri,DXCanas/kolibri,lyw07/kolibri,mrpau/kolibri,mrpau/kolibri,jonboiser/kolibri,rtibbles/kolibri,christianmemije/kolibri,learningequality/kolibri,MingDai/kolibri,rtibbles/kolibri,rtibbles/kolibri,DXCanas/kolibri,MingDai/kolibri,lyw07/kolibri,jonboiser/kolibri,indirectlylit/kolibri,learningequality/kolibri,DXCanas/kolibri,lyw07/kolibri,benjaoming/kolibri,DXCanas/kolibri,learningequality/kolibri,learningequality/kolibri,MingDai/kolibri,indirectlylit/kolibri,benjaoming/kolibri,rtibbles/kolibri,christianmemije/kolibri,indirectlylit/kolibri,jonboiser/kolibri,indirectlylit/kolibri,christianmemije/kolibri,lyw07/kolibri