Configure travis to run JS unit tests and code coverage for them.
Configure travis to run JS unit tests and code coverage for them.

jonboiser/kolibri,jamalex/kolibri,jamalex/kolibri,jtamiace/kolibri,christianmemije/kolibri,lyw07/kolibri,jayoshih/kolibri,benjaoming/kolibri,MingDai/kolibri,jamalex/kolibri,benjaoming/kolibri,ralphiee22/kolibri,whitzhu/kolibri,66eli77/kolibri,MingDai/kolibri,66eli77/kolibri,lyw07/kolibri,whitzhu/kolibri,indirectlylit/kolibri,jtamiace/kolibri,lyw07/kolibri,ralphiee22/kolibri,jtamiace/kolibri,MCGallaspy/kolibri,aronasorman/kolibri,rtibbles/kolibri,jtamiace/kolibri,christianmemije/kolibri,jonboiser/kolibri,jayoshih/kolibri,jonboiser/kolibri,learningequality/kolibri,rtibbles/kolibri,jayoshih/kolibri,benjaoming/kolibri,rtibbles/kolibri,rtibbles/kolibri,learningequality/kolibri,indirectlylit/kolibri,MingDai/kolibri,mrpau/kolibri,jayoshih/kolibri,whitzhu/kolibri,learningequality/kolibri,christianmemije/kolibri,jamalex/kolibri,christianmemije/kolibri,whitzhu/kolibri,ralphiee22/kolibri,learningequality/kolibri,DXCanas/kolibri,indirectlylit/kolibri,DXCanas/kolibri,ralphiee22/kolibri,DXCanas/kolibri,mrpau/kolibri,66eli77/kolibri,benjaoming/kolibri,indirectlylit/kolibri,DXCanas/kolibri,mrpau/kolibri,MCGallaspy/kolibri,MCGallaspy/kolibri,aronasorman/kolibri,66eli77/kolibri,lyw07/kolibri,jonboiser/kolibri,MingDai/kolibri,aronasorman/kolibri,aronasorman/kolibri,mrpau/kolibri