Finalized styling for segments view after clicking a program. (1905)

- Finalized styling for segments view after clicking a program. (1905)
-- restructed css to reflect new changes to div structure
-- fixed icon problems for play now and watch later.

- Committing dependencies for segment expander and scrollable segments.… …
… (1905)
-- added corresponding js and css for above functionalities.

-Deleted old font-awesome files used in segments. (1905)