Update 20487C_MOD08_DEMO.md
Update 20487C_MOD08_DEMO.md

resolving bgus#: 90333, 90334, 90329, 89909, 89900
MicrosoftLearning/20487-DevelopingWindowsAzureAndWebServices,MicrosoftLearning/20487-DevelopingWindowsAzureAndWebServices,MicrosoftLearning/20487-DevelopingWindowsAzureAndWebServices