Changes for UI on the top navigation bar and My classes Home page.
Updated css changes for classpage home page.
Merge pull request #618 from ssushma/dev-branch

Changes for classpage home page implemented.
Message properties conflits resolved
Merge pull request #619 from ssushma/dev-branch

Message properties conflits resolved
Merge pull request #620 from Gooru/dev-branch

Classpage home page design changes implemented.