Added link to demo youtube video.
Added link to demo youtube video.

InternationalMixMob/CSCI-E-71_IMM_Slacker_Cordova_Plugin,InternationalMixMob/CSCI-E-71_IMM_Slacker_Cordova_Plugin,InternationalMixMob/CSCI-E-71_IMM_Slacker_Cordova_Plugin