fix build failure due angularjs-slider
fix build failure due angularjs-slider

sticking to  angularjs-slider verion ~2.8.0 for now
and will revist again to update to recent version.

Change-Id: I585e3811596f9e86b659fdc2602bdef69ba2d342
Signed-off-by: Kanagaraj M <a744b691cd98174fb19a473a8cf78b810491e452@redhat.com>

cloudbehl/tendrl_frontend,skyrings/kitoon,kmkanagaraj/usm-client-2,cloudbehl/tendrl_frontend,kmkanagaraj/usm-client-2,skyrings/kitoon,skyrings/kitoon,kmkanagaraj/usm-client-2,Tendrl/dashboard,Tendrl/dashboard